In a box, 38% of the coins are purple, 16% are black and the rest are white
- What fraction of the coins is white? Give your answer in the simplest form.
- There are 690 white coins in the box. How many coins are there in the box altogether?
(a)
Percentage of coins that are white
= 100% - 38% - 16%
= 46%
Fraction of coins that are white
=
46100 =
2350 (b)
Number of white coins = 23 u
23 u = 690
1 u = 690 ÷ 23 = 30
Total number of coins
= 50 u
= 50 x 30
= 1500
Answer(s): (a)
2350; (b) 1500