Question

z varies directly as x and inversely as y.
If z = 9 when x = 24 and y = 8, find y when
x = 10 and z= 5.

Answer 1

Answer:

y = 6.

Step-by-step explanation:

z = kx/y

9 = k*24/8

24k = 72

k = 3.

So z = 3x/y

When x = 10 and z = 5

5 = 3*10/y

5y = 30

y = 6.