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28.05.2020 •
Mathematics
Oliver charges $15 an hour for guitar lessons. He pays a monthly rent of $50 for his guitar. How many hours must he work to have a profit of $250?
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Ответ:
20 hrs
Step-by-step explanation:
profit is $250
add the $50 he pays for rent
divide that number ($300) by $15 hr that he makes
Ответ: