There are thrice as many pink vests as white vests in a sale. If there are 172 pink and white vests altogether,
- how many pink vests are there?
- how many more pink vests than white vests?
(a)
Number of white vests = 1 u
Number of pink vests
= 3 x 1 u
= 3 u
Total number of vests
= 3 u + 1 u
= 4 u
4 u = 172
1 u = 172 ÷ 4 = 43
Number of pink vests
= 3 u
= 3 x 43
= 129
(b)
Number of more pink vests than white vests
= 3 u - 1 u
= 2 u
= 2 x 43
= 86
Answer(s): (a) 129; (b) 86