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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)
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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)

User Flatpickles
by
8.6k points

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
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