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Elina [12.6K]
4 years ago
9

A rental car company that rents cars for local-only use charges $30 plus $0.20 for each mile the rental car is driven. If a cust

omer gives the rental attendant $100 for a charge of $42, how many miles did the customer drive?
Mathematics
1 answer:
nika2105 [10]4 years ago
8 0

Answer:

Step-by-step explanation:

He/ She drove 290 miles

100-42 = 58

58 x 0.20 = 290 miles

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We can use <em>common denominator</em>.

Observation:

If you have, \frac{a}{b} +\frac{c}{d}=\frac{(a*d)+(c*b)}{b*d}

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Using <em>distributive property</em>:

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\frac{(5a+8a)+(5b-4b)}{20} =\frac{13a+b}{20}=\frac{13a}{20} +\frac{b}{20}

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\frac{(a+b)}{4} +\frac{(2a-b)}{5}=\frac{13a}{20} +\frac{b}{20}

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