Tim Horton’s is a Canadian fast-food chain, a sort of combination of Dunkin’ Donuts and McDonald’s in the United States. I took this photo during a summer trip because I was interested in the pattern of servings and prices. I hope you will be, too. Here’s what I was thinking while standing in line . . . 1. Let’s ignore the price-ending-in-9-to-make-it seem-like-you’re-getting-a-good-deal nonsense and round up to the nearest dime to make it easier to think about. How much are hungry Canadians (and one old, fat American) paying per TimBit in the 10 pack, 20 pack, and 40 pack? This is called unit pricing.
2. There are a 10 pack, a 20 pack, and a 40 pack on the poster. Suppose Tim Horton’s offers the next two logical sizes in the pattern. How many TimBits will the next two packs hold? 3. Based on the two sizes you have created and the price pattern for the first three sizes, what would be the prices of the two larger packs you have created? Extra Credit: The BIG math philosophical question: If this pattern continues--the packs getting larger, the unit price getting smaller--how many TimBits would you get for free? This seems like a line graph or bar chart might be helpful . . .
21 Comments
noel
11/15/2016 10:55:01 am
i did understand for the first half but in the end i got it
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Annalyse
11/15/2016 10:55:57 am
80 times 14=11.20
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[email protected] /cocolululylou {crarzygirl]
11/15/2016 10:57:22 am
You take 20 and sudtract 2 each time and I will tell you a secrect when get to -.02 you will get 20,480 donuts and $402.20.
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susannah
11/15/2016 10:57:37 am
I do not git it at aall
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Domonique
11/15/2016 10:59:08 am
We had to take away 2 each time. We also double the number.
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Michael
11/15/2016 11:01:33 am
The answer is 5,120 x 2 =$102.40.You get 80 and 160 by multiplying 2x80= 160 and the pattern is doubling by 2's.
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Lucas Pittman
11/15/2016 11:04:21 am
the way I got my answer is by doubling each number by it's self and I got how many the doughnuts where a piece by subtracting each time by two. well, see ya!
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Kylie Park
11/15/2016 11:04:40 am
If you had the 80 pack of timbits and you wanted to know the price you would -2 by how much each timbit was in the 40 pack which was 16 -2 you get 14 cents.To find how much all 80 timbits were you would do 80 x 14 and get $ 11.20 .If you wanted a pack of 160 then to get the whole price of 160 timbits you would do 14 - 2 and get 12 so 12 x 160 is $ 19.20 .
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jaden
11/15/2016 11:04:59 am
each time you had to add 10 20 30 40 50 60 70 80 90
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lexie
11/15/2016 11:11:17 am
The 10 pack is 20 cen per TimBit =2.00,20 pack is 18 cen per TimBit=3.60 ,40 pack is 16 cen per TimBit=6.40,80 is 14 cen per TimBit=11.20,160 is 12 cen per TimBit=19.20,320 is 10 cen per TimBit=32.00,640 is 8 cen per TimBit=51.20,1,280 is cen TimBit=76.80,2,560 is 4 cen per TimBit=102.40,10,240 is 0 cen per TimBit=0.00,20,480 is -2 cen per TimBit= --2.00
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caedance
11/16/2016 11:25:31 am
If you had the 80 pack of timbits and you wanted to know the price you would -2 by how much each timbit was in the 40 pack which was 16 -2 you get 14 cents.To find how much all 80 timbits were you would do 80 x 14 and get $ 11.20 .If you wanted a pack of 160 then to get the whole price of 160 timbits you would do 14 - 2 and get 12 so 12 x 160 is $ 19.20
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Anna
11/16/2016 11:31:45 am
1. The 10 pack with coast 20 cents per Timbit. The 20 pack will coast 18 cents per Timbit. The 40 pack will coast 16 cents per Timbit. 2. 80 is the next pack after 40 and it will have a total of 80 Timbits. The next back is a 160 pack filled with 160 Timbits of course. 3. The 80 pack will coast $11.20. The 160 pack will coast $19.20
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Julian
11/16/2016 11:32:14 am
The answer is $19.20
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Carlo
11/16/2016 11:32:48 am
the answer $19.20
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Trey
11/16/2016 11:32:59 am
1. 10 pack=20 cents 20 pack=18 cents 40 pack=16 cents 2. 80 pack=14 cents 160 pack=12 cents 320 pack=10 cents 640 pack=8 cents 1,280 pack=6 cents 7,680 pack=4 cents 30,720=2 cents 61,440 pack=0 cents
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Gabby
11/16/2016 11:33:47 am
We ad to double the numbers and subtract.and the and the answer was 19.20
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Gabby
11/16/2016 11:39:32 am
Had**
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Gabrielle Strother
11/16/2016 11:37:35 am
1.The 10 pack is 20 cents each for one timbit and the 20 pack is 18 cent each for a timbit and last is the 40 pack so each timbit would be 16 cent each for a timbit.
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Miles Friar
11/16/2016 11:41:38 am
10 pack=20 cents 20 pack=18 cents 40 pack=16 cents 80 pack=14 cents 160 pack= 12 cents 320 pack= 10 cents 640 pack=8 cents 1,280 pack=6 cents 2,560 pack=4 cents 5,120 pack=2 cents 10,240 pack=0 cents
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Maddie!
11/16/2016 11:50:45 am
The price for one timbit in the
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