Gabe rents a piano for $49 per month. he earns $15 per hour giving piano lessons to students. how many hours of lessons per month must he give to earn a profit of $326?

18 hours.

Step-by-step explanation:

Gebe rents a piano for $49 per month.

He earns $15 per hour for giving piano lessons to students.

Let his earning for x hour = 15x

15x + 49 = 316

15x = 316 - 49

15x = 267

x =

x = 17.8 hours ≈ 18 hours

Gebe must give 18 hours lessons to earn a profit of $326.

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step-by-step explanation: