rosameza2002ov62ci rosameza2002ov62ci

24-08-2017
Mathematics

contestada

The cost c (in dollars) of renting a paddle board for (h) hours is given by c=25+7h. After how many hours is the cost $81?

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angie02luv angie02luv

24-08-2017

Renting the paddle board for 8 hours would cost $81. Plug in 81 for c and solve.

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richardngendah richardngendah

24-08-2017

c=25+7h
SUBSTITUTE C=81
81=25+7h
81 DIVIDED BY 25=3.24
3.24=7h
h=3.24 divided by 7
H=0.4628 Hours
=27.7 minutes

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