The volume of this rectangular prism is 4x. What does the coefficient 4
mean in terms of the problem?
height = x
width = x
length = 4x
O
A. The length of the prism is 4 units.
O
B. The total volume of the prism is 4 cubic units.
O
c. The width is 4 times the height and the length.
O
D. The length is 4 times the width..

let soccer = x and golf = y

part a

1st equation: x + y = 125

2nd equation: x = y +45

part b

replace x in the 1st equation with the 2nd one:

y + 45 + y = 125

simplify:

2y + 45 = 125

subtract 45 from each side:

2y = 80

divide both sides by 2:

y = 80/2

y = 40

she plays golf for 40 minutes.

part c

no because she plays soccer for 45 minutes longer than golf 40 +45 =   85 minutes, not 80 minutes.