Respuesta :

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