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​Ratio: Quiz 8 - Answers

1) 1/3

2) 3/5

3) 5/8

4) Fraction that are boys – ¾

Fraction that are girls – ¼

5) 4/11

6) 11/18

7) a) 2/7

b) 3/14

c) ½

Working
1) Andrew and Barbra share £15 in the ratio 1 : 2. What fraction does Andrew get?
 
2) There are 35 sweets. The sweets are shared between Caroline and David in the ratio 2 : 3. What fraction does David get?
 
3) A bag contains 40 balls that are three different colours. The colours of the balls are red, green and blue and they are in the ratio is 2 : 5 : 1. What fraction of the 40 balls are green?
 
4) Year 11 at a school contains 300 pupils. The ratio of boys to girls is 3 : 1. What fraction of year 11 are boys and what fraction of year 11 are girls?
 
5) A shop sells CDs and DVDs in the ratio of 4:7. What fraction of the sales are CDs?
 
6) A bag contains grey and black balls in the ratio of 7 : 11. What fraction of the balls are black?
 
7) There are 4 different types of chocolates in a chocolate box; milk chocolate, fudge, strawberry dream and orange cream. They are found in the ratio 4 : 2 : 3: 5 (milk chocolate : fudge : strawberry dream : orange cream). What fraction of the chocolates are:
  1. Milk chocolate
  2. Strawberry dream
  3. Fudge or orange cream