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BigDough9090
10.12.2020 •
Mathematics
Benny was told to practice playing piano for 2 1/7 hours per day. Benny has already played 1 5/6 hours today. How many hours does Benny still need to practice today?
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Ответ:
set the sum of the 2 angles to equal 180 and solve for x
6x + 48 + 60 = 180
6x + 108 = 180
6x = 72
x = 12
you could check to make sure that your x value is correct by plugging it back into the equation
6(12) + 48 + 60 = 180
72 + 48 + 60 = 180
120 + 60 = 180
180= 180
hope this helped!