A.3.A.10.24TN

 

Answer to Problem 24:

 

This is a linear function.

 

x

=

first piece

3x + 7

=

second piece


 

3x + 7 + x

=

87

4x + 7

=

87

4x

=

80

x

=

20

3x + 7

=

67

 

 

 

20 inches

=

first  piece

67 inches

=

second piece