Question

Solve by using the steps found in this section. Write your answer in exact, simplified form.

y varies inversely as z. If y is 5 when z is 27, find y when z is 54.

Help pls

Answer 1

• y = 2.5

Explanation:

y varies inversely as z:

• y = k/z, where k is coefficient of variation

If z is 27, then y is 5, find k:

• 5 = k/27
• k = 5*27
• k = 135

Find y when z is 54:

• y = 135/54
• y = 2.5