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kiruha [24]
3 years ago
11

4. On a beach trip, Lucy rents a bike from "Wheels by the Waves", where

Mathematics
1 answer:
Dimas [21]3 years ago
7 0

Answer:

6 hours

Step-by-step explanation:

The equation for this would be

c=3h+12

It costs $3 per hour, and there is a $12 cost no matter how many hours the bike is rented for

We know,c, or the cost is $30, so we can substitute that in

30=3h+12

Solve, by isolating the variable,h

First, subtract 12 on both sides

30=3h+12

18=3h

Divide by 3 on both sides

h=6

So, she rented the bike for 6 hours

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So,
Let,
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Now,
According to the question,
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Now,
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x + (3x) + (2x - 10) = 92
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Now,
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