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Alexandra [31]
3 years ago
14

Why do you need to find the common denominator to simplify

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0
Because then you can just add the tops like they are
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To bike rental companies have different pricing systems company a charges a flat fee of four dollars +2 dollars per mile Company
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Answer: the charge would be the same after 5 miles

Step-by-step explanation:

Let x represent the distance at which both companies charge the same amount.

company A charges a flat fee of four dollars plus 2 dollars per mile. It means that the total charge for x miles would be

4 + 2x

Company B does not charge a flat fee but charges $2.80 per mile driven. It means that the total charge for x miles would be 2.8x.

For the charge to be the same, the number of miles would be

2.8x = 4 + 2x

2.8x - 2x = 4

0.8x = 4

x = 4/0.8

x = 5

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