In a box, 50% of the stickers are pink, 15% are purple and the rest are black
- What fraction of the stickers is black? Give your answer in the simplest form.
- There are 581 black stickers in the box. How many stickers are there in the box altogether?
(a)
Percentage of stickers that are black
= 100% - 50% - 15%
= 35%
Fraction of stickers that are black
=
35100 =
720 (b)
Number of black stickers = 7 u
7 u = 581
1 u = 581 ÷ 7 = 83
Total number of stickers
= 20 u
= 20 x 83
= 1660
Answer(s): (a)
720; (b) 1660