## Algebra 1 Tutorial

*Ratios*

#### Intro

Many problems can be set up as a ratio and becomes very easy to solve.

#### Sample Problem

If Mary worked 24 hours and received $276.72, how many hours would she need to work to receive $564.97?

#### Solution

First, set the problem up as a ratio:

24/276.72 = x/564.97

Cross multiply:

24(564.97)= 276.72x

solve for x by dividing both sides by 276.72

x= 49 Mary will need to work 49 hours

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