Ahospital cafeteria has 20 tables 65% of the table have 6 chairs at each table the remaining 35% of the tables have 4 chairs at each table

no. of chairs in the 65% of the tables with 6 chairs = [20(0.65)]*6 = 13*6 = 78

no. of chairs in the 35% of the tables with 4 chairs= [20(.35)]*4= 7*4 = 28

total no. of chairs in the cafeteria = 78+28 = 106

or

no. of chairs in cafeteria = {[20(0.65)]*6} + {[20(.35)]*4} = (13*6) + (7*4) = 78+28=106

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the amount you'd have after the work is $1.55

step-by-step explanation:

you subtract 95% from $31.