Question

5. If x and y varies directly as each
other and x = 4 when y = 16. When x =
9 then y=​

Answer 1

Answer:

36

Step-by-step explanation:

9 = ax (a=constant)

9 = a(4) = 4a

9 = 4a

9/4 = a

2.25 = a

then, ax = 2.25 * 4 = 9

similarly,

2.25 * 16 = 36