Question

If y varies inversely as x and x=30 when y=16 find x when y=24

Answer 1

20

Explanation:

y = k/x .... y varies inversely with x

16 = k/30 ... x=30 when y=16

k = 30*16 = 480

24 = 480/x ... when y=24

x = 480/24 = 20