Math Problem Statement

It will take you 10 hours to paint your garage and it will take your brother 15 hours to do the same job. How long will it take if the two of you together to paint the garage?

Solution

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Math Problem Analysis

Mathematical Concepts

Work Rate
Fractions
Reciprocal

Formulas

Combined work rate formula: 1/a + 1/b
Reciprocal to find total time: 1 / (combined work rate)

Theorems

Work rate theorem

Suitable Grade Level

Grades 6-8