Question

y and x have a proportional relationship, and y = 28 when x = 21. What is the value of x when y = 42? A.14 B.18 2/3 C.31 1/2 D.56

Answer 1

the answer is c 31 1/2

Explanation:

i took the test=)

Answer 2

C 31 1/2

Explanation:

21/28 = x/42 solve for x