In a box, 49% of the coins are red, 17% are pink and the rest are grey
- What fraction of the coins is grey? Give your answer in the simplest form.
- There are 680 grey coins in the box. How many coins are there in the box altogether?
(a)
Percentage of coins that are grey
= 100% - 49% - 17%
= 34%
Fraction of coins that are grey
=
34100 =
1750 (b)
Number of grey coins = 17 u
17 u = 680
1 u = 680 ÷ 17 = 40
Total number of coins
= 50 u
= 50 x 40
= 2000
Answer(s): (a)
1750; (b) 2000