Heston wagons reported in june that 20 out of 500 wagons failed inspection. in july they reported that 25 out of 625 wagons failed inspection. which proportion can be used to represent the wagon failures?

The proportion is

Step-by-step explanation:

We have to:

In June 20 of 500 wagons failed

On July 25 of 625 wagons failed

If we call x the number of wagons and and the number of wagons that had failures then we have to for June:

For July we have

The proportions are the same for both months

The proportion is

This means that of every 25 wagons, one has faults

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

6/20

step-by-step explanation: