yuma needs a singer. singer A is offering her services for an initial $50 in addition to $20 per hour. singer B is offering his
services for an initial $100 in addition to $10 per hour.when will the two singers charge the same amount of money
1 answer:
50 + 20h = 100 + 10h
20h - 10h = 100 - 50
10h = 50
h = 50/10
h = 5 <== they will charge the same at 5 hrs
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