In a box, 32% of the erasers are green, 20% are purple and the rest are black
- What fraction of the erasers is black? Give your answer in the simplest form.
- There are 444 black erasers in the box. How many erasers are there in the box altogether?
(a)
Percentage of erasers that are black
= 100% - 32% - 20%
= 48%
Fraction of erasers that are black
=
48100 =
1225 (b)
Number of black erasers = 12 u
12 u = 444
1 u = 444 ÷ 12 = 37
Total number of erasers
= 25 u
= 25 x 37
= 925
Answer(s): (a)
1225; (b) 925