Store A sells 3 candy bars for $3.45. Store B charges $5.45 for 5 candy bars.
Store C sells 7 candy bars for $7.56.
Which store offers the best value?

store C

Step-by-step explanation:

if you divide 7.56 by 7 it'll be $1.08 per candy bar.

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step-by-step explanation:

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answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.