A shop only sold black, blue and grey shirts.
811 of the shirts in the shop were grey and 56 shirts were blue. If
111 of the shirts were black, how many shirts were there in the shop?
Fraction of the shirts that were blue
= 1 -
811 -
111= 1 -
811 -
111=
211
Total number of shirts = 11 u
Number of shirts that were blue = 2 u = 56
= 56 ÷ 2
= 28
Total number of shirts
= 11 u
= 11 x 28
= 308
Answer(s): 308
