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Tems11 [23]
3 years ago
11

On the playground the teacher observed bicycles and tricycles. she counted 72 wheels and 28 total cycles. How many of them were

bicycles and how many of them were tricycles?​
Mathematics
1 answer:
Andreyy893 years ago
3 0

Answer:

  16 tricycles

  12 bicycles

Step-by-step explanation:

If all were bicycles, there would be 28·2 = 56 wheels. Each additional wheel indicates the presence of a tricycle instead of a bicycle.

There are 72 -56 = 16 tricycles. The remaining 28-16 = 12 are bicycles.

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Granite counter tops cost $40 for every square foot. The base pay to install the counter top is $750. Set up a Linear Model repr
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Answer: y = 40x + 750

Step-by-step explanation:

Linear model;

y = mx + c

y is the total cost of buying granite counter tops for a certain number of square foot as well as the cost to install the counter top.

m is the cost of granite counter tops per square foot which is $40 in this case.

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