There were some white, pink and purple staplers in a box.
110 of the staplers were pink. The ratio of the number of white staplers to the number of purple staplers was 4 : 5. There were 336 fewer pink staplers than purple staplers.
- Find the ratio of the number of white staplers to the number of pink staplers to the number of purple staplers in the box.
- How many purple staplers were there?
Pink |
White |
Purple |
Total |
1 |
9 |
10 |
|
4 |
5 |
|
1 u |
4 u |
5 u |
10 u |
(a)
White : Pink : Purple
4 : 1 : 5
(b)
Number of fewer pink staplers than purple staplers
= 5 u - 1 u
= 4 u
4 u = 336
1 u = 336 ÷ 4 = 84
Number of purple staplers
= 5 u
= 5 x 84
= 420
Answer(s): (a) 4 : 1 : 5; (b) 420