In a box, 41% of the coins are silver, 17% are grey and the rest are yellow
- What fraction of the coins is yellow? Give your answer in the simplest form.
- There are 420 yellow coins in the box. How many coins are there in the box altogether?
(a)
Percentage of coins that are yellow
= 100% - 41% - 17%
= 42%
Fraction of coins that are yellow
=
42100 =
2150 (b)
Number of yellow coins = 21 u
21 u = 420
1 u = 420 ÷ 21 = 20
Total number of coins
= 50 u
= 50 x 20
= 1000
Answer(s): (a)
2150; (b) 1000