There are thrice as many silver jumpsuits as brown jumpsuits in a sale. If there are 128 silver and brown jumpsuits altogether,
- how many silver jumpsuits are there?
- how many more silver jumpsuits than brown jumpsuits?
(a)
Number of brown jumpsuits = 1 u
Number of silver jumpsuits
= 3 x 1 u
= 3 u
Total number of jumpsuits
= 3 u + 1 u
= 4 u
4 u = 128
1 u = 128 ÷ 4 = 32
Number of silver jumpsuits
= 3 u
= 3 x 32
= 96
(b)
Number of more silver jumpsuits than brown jumpsuits
= 3 u - 1 u
= 2 u
= 2 x 32
= 64
Answer(s): (a) 96; (b) 64