Question

Willie’s age w and Jenny’s age j are related by the equation j = 2w - 12. When Willie is 16.5 years old, how old will Jenny be?

Answer 1

Answer is Jenny’s age is 21

Step by step

You have the equation

J = 2w - 12

You know willies age w=16.5

Substitute 16.5 in the equation for w and solve for J

J = (2)(16.5) - 12

J = 33 - 12

J = 21

Jenny is 21

Problem solved