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irina1246 [14]
3 years ago
8

Amy has saved $725 for a new guitar and lesson. Her guitar cost $475, and guitar lessons are $25 per hour. Determine how many ho

urs of lessons she can afford
Mathematics
2 answers:
luda_lava [24]3 years ago
6 0
You start with total amount ($725) and subtract guitar cost ($475) and get $250. Then you divide guitar lessons per hour ($25) and get 10. Which is the amount of lessons she  can afford
babymother [125]3 years ago
3 0
725 - 475 = 230 and 230 divided by 25 is just over 9 so 9
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Here, the variable is
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In reverse order, we undo these operations by
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- multiplying by 2.

Whatever we do to one side of an equation, we must also do to the other side. That is how the equal sign remains valid.

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_____
Check:
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