Systems of Measurement · Exercise 31

Solve and write your answer in mixed units.

Renee attached a $\text{6}-\text{foot}-\text{6}-\text{inch}$ extension cord to her computer’s $\text{3}-\text{foot}-\text{8}-\text{inch}$ power cord. What was the total length of the cords?

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Prealgebra 2e · §7.5 Systems of Measurement · Exercise 31