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2 years ago

6

A rental car company charges $90 per week and $0.22 per mile or $40 per week and $0.32 per mile. How many miles per week must a

customer drive to make the second option the equivalent or better choice?
Enter the answer as an integer.

(Click For List)
miles

1 answer:

Brrunno [24]2 years ago

5 0

Answer:

dist less than 500 miles

Step-by-step explanation:

let the dist be x

90+.22x > 40+.32x

50 > .1x

500 > x

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Step-by-step explanation:

Let D represent present age of Robert's dog and C represent present age of Karen's cat.

We have been given that Robert's dog is 4 years older than Karen's cat. We can represent this information in an equation as:

$D=C+4...(1)$

We are also told that in 3 years, the sum of the ages of Robert's dog and Karen's cat will be 13. After 3 years age of dog and cat would be $D+3$ and $C+3$ respectively.

We can represent this information in an equation as:

$D+3+C+3=13...(2)$

From equation (1), we will get:

$C=D-4$

Upon substituting this value in equation (2), we will get:

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Combine like terms:

$2D+2=13$

$2D+2-2=13-2$

$2D=11$

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$D=5.5$

Therefore, Robert's dog is 5.5 years old right now.

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