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Rosa can make five professional-grade masks per hour, while Heather can make seven consumer-grade masks per hour. If a professional-grade mask earns Rosa $4 more than Heather receives for a consumer-grade mask, how many dollars should Heather receive for a consumer-grade mask so that her hourly pay is the same as Rosa’s hourly pay? Express your answer to the nearest integer.

 Mar 3, 2021
 #1
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h = heather price for a consumer grade mask

r = rosa price = 4 + h

 

5(4+h) = 7 h

20 + 5h = 7h

h = 10    dollars per consumer grade mask       $ 14 for professional grade mask             

 Mar 3, 2021
 #2
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thanks smiley

Guest Mar 3, 2021

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