There are four times as many grey dresses as red dresses in a sale. If there are 195 grey and red dresses altogether,
- how many grey dresses are there?
- how many more grey dresses than red dresses?
(a)
Number of red dresses = 1 u
Number of grey dresses
= 4 x 1 u
= 4 u
Total number of dresses
= 4 u + 1 u
= 5 u
5 u = 195
1 u = 195 ÷ 5 = 39
Number of grey dresses
= 4 u
= 4 x 39
= 156
(b)
Number of more grey dresses than red dresses
= 4 u - 1 u
= 3 u
= 3 x 39
= 117
Answer(s): (a) 156; (b) 117