In a box, 35% of the coins are purple, 20% are grey and the rest are green
- What fraction of the coins is green? Give your answer in the simplest form.
- There are 675 green coins in the box. How many coins are there in the box altogether?
(a)
Percentage of coins that are green
= 100% - 35% - 20%
= 45%
Fraction of coins that are green
=
45100 =
920 (b)
Number of green coins = 9 u
9 u = 675
1 u = 675 ÷ 9 = 75
Total number of coins
= 20 u
= 20 x 75
= 1500
Answer(s): (a)
920; (b) 1500