A shop only sold black, yellow and white cardigans.
712 of the cardigans in the shop were white and 63 cardigans were yellow. If
18 of the cardigans were black, how many cardigans were there in the shop?
Fraction of the cardigans that were yellow
= 1 -
712 -
18= 1 -
1424 -
324=
724
Total number of cardigans = 24 u
Number of cardigans that were yellow = 7 u = 63
= 63 ÷ 7
= 9
Total number of cardigans
= 24 u
= 24 x 9
= 216
Answer(s): 216