Question

Solve the proportion below.

9.5/19 = x/30

x=_____

A. 22.5
B. 15
C. 12
D. 20.5

Answer 1

19x = 30 * 9.5

x = 30 * 9.5 / 19

= 30 /2

= 15 answer

Answer 2

Cross multiply

19(x) = 30(9.5)

Simplify

19x = 285

Divide 19 from both sides

19x/19 = 285/19

x = 285/19

x = 15

B. 15 is your answer

hope this helps