I need help. hair stylist can work for 9 hours a day.a hair color takes 1 1/2 hour and a haircut takes 20 min if the stylist schedule 3 hair color each day which equality represent rhe number of haircuts ,c, that he can do
A.20c+3(1.5)<9
B.1/3c_> 9/2
C.20c_<4.5
D.1/3c+9/2_<9​

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