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Please help with math question? - figure skating deductions

Katelyn earned $ 10.12 per hour, when all deductions from his salary deducted working at Safeway. She saved $ 289.77 in recent months and now wants to buy a pair of shoes that costs $ 441.57.

How many hours you work have to work to make enough money to buy skates?

See the solution in four steps.

Note: All above fees are GST.