A shop only sold brown, black and green sweaters.
811 of the sweaters in the shop were green and 60 sweaters were black. If
111 of the sweaters were brown, how many sweaters were there in the shop?
Fraction of the sweaters that were black
= 1 -
811 -
111= 1 -
811 -
111=
211
Total number of sweaters = 11 u
Number of sweaters that were black = 2 u = 60
= 60 ÷ 2
= 30
Total number of sweaters
= 11 u
= 11 x 30
= 330
Answer(s): 330
