Lift Weights Do Not Lift
Weights
Total
Run
40
75
Do Not Run
х
Total
65
120
Can you determine what number x represents from the
information given? Explain how you got your answer.

x represents the amount of people who do not run and do not lift weights. This is because x is in the "do not lift weights" column and the "do not run" row.

your mom x 3

step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: