165k views
1 vote
If y varies directly with with x and y=20 when x= 2.5, what is the value of y when x = 8? (type the numerical value of x only)

1 Answer

6 votes
y = kx
k = y/x = 20 / 2.5 = 8
when x = 8
y = kx = 8* 8
y = 64

answer
64

User Omid N
by
8.0k points

No related questions found