first you have to see what you need to multiply it by so you divide 24 by 8 which gets you 3. then you divide 45 by 3 and that gets you 15 so she has to rake the yard 15 times.
she needs 45 -24 = 21 more dollars
21/8 = 2 5/8 she needs to rake 3 more yards to have enough money to but the music player
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