3 years ago

You can buy 5 stickers for $3. Write a proportion that gives the cost c if you buy 12 stickers.

Mathematics

1 answer:

Reptile [31]3 years ago

5 0

Answer:

$7.5

Step-by-step explanation:

Let

Quantity of stickers=x

Price of stickers=y

5 stickers cost $3

12 stickers cost $y

x/y = x/y

5/3 = 12/y

Cross product

5y=12*3

5y=36

Divide both sides by 5

5y/5 = 36/5

y=7.5

12 stickers= $7.5

Therefore, the price of 12 stickers= $7.5

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