Question

1. If y varies inversely as x and y = 2 when x = 10, find y when x = 5.

2. If y varies directly as z and inversely as x and y = 10 and z = 5 when x = 12.5, find z when y = 37.5 and x = 2.

Answer 1

1.45

Explanation:

I don't really know if this is right