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The Smith family and the Jackson family are having their basements remodeled. the Smiths contractor charge $16.50 an hour plus $289 in supplies. the Jackson’s contractor charge is $18.75 an hour and $274.60 and supplies. at how many hours of work with the total cost be the same for both families

Respuesta :

Answer:

6.4 hrs

Step-by-step explanation:

16.5h + 289 = 18.75h + 274.6

16.5h-18.75h = 274.6-289

-2.25h=-14.4

h=14.4/2.25

h=6.4 hrs

check

6.4×16.5=105.6

105.6+289=394.6

18.75×6.4=120

120+274.6=394.6

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