Mike works in a toy store. one week, he worked 38 hours and made $220. the next week, he received a raise, so when he worked 30 hours he made $180. how much was his raise (to the nearest cent)?

$0.21

Step-by-step explanation:

Let x be the amount of money earned per hour before raise and y be amount of money earned per hour after raise.

We have been given that before raise he worked 38 hours and earned $220. We can represent this information as:

We are also told that the next week, he received a raise. After raise he worked 30 hours and made $180. We can represent this information as: .

Let us solve for x and y.

Therefore, before raise Mike earned $5.7894 per hour.

Therefore, after raise Mike earned $6 per hour.

Now let us subtract 5.7894 from 6 to find Mike's raise.

Therefore, amount of Mike's raise to the nearest cent is $0.21.

true

step-by-step explanation:

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