Insert grouping symbols (parentheses) so that each given expression evaluates to the given...

Insert grouping symbols (parentheses) so that each given expression evaluates to the given number.

The building contractor from Exercise plans to charge $4 per foot for installing vinyl gutters. Find the total charge for the seven homes given the total perimeter answer to Exercise.

A building contractor is bidding on a contract to install gutters on seven homes in a retirement community, all in the shape shown. To estimate the cost of materials, she needs to know the total perimeter of all seven homes. Find the total perimeter.