Question

Salma has 15 cars available to rent. Let C be the number of cars she would have left after renting R of them. Write an equation relating C to R. Then use this equation to find the number of cars she would have left after renting 7 of them.
equation:
number of cars she would have left after renting 7 of them:

Answer 1

Answer:

equation:  C = 15 - R

Step-by-step explanation:

C = 15 - 7

C = 8

Answer 2

The equation relating C to R:  C = 15 - R. The number of cars she would have left after renting 7 of them is 8.

What is a system of equations?

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Salma has 15 cars available to rent.

Let C be the number of cars she would have left after renting R of them.

An equation relating C to R

C = 15 - R

To find the number of cars she would have left after renting 7 of them.

C = 15 - 7

C = 8

Hence, The number of cars she would have left after renting 7 of them is 8.

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