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Dennis_Churaev [7]
3 years ago
8

Pre Algebra

Mathematics
1 answer:
Goryan [66]3 years ago
8 0

Answer:

36 hotdogs

Step-by-step explanation: Let x= number of hot dogs sold to break even

Equation: 57+0.50x=12+1.75x

subtract 12 from both sides: 45+0.50x=1.75x

subtract 0.50x from both sides: 45=1.25x

Divide both sides by 1.25: x=36

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Answer:

34; 34 inches is not long enough

Step-by-step explanation:

A doormat is the shape of a rectangle and its area uses A=l*w. If the area is 714 and its length is 21, then 714 = 21*w. Solve for w.

714=21w

714/21= 21w/21

34 = w

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