Question

z varies inversely as w z=40 when w=0.7 find z when w=10

Answer 1

so, z is inversely proportioned to w. Thus \[ z= \dfrac{constant}{w} \].

so 40=constant/0.7, constant =28

Now, you find z by calculating 28/10.

Check http://www.oojih.com for free study guide and free practice tests