Exercise 12.1
Contents
Exercise 12.11. Write each of the following as percent:(i) Solution: (iv) 0.8(v) 0.005(vi) 3:25(vii) 11:80(viii) 111:125(ix) 13:75(x) 15:16 (xi) 0.182. Convert the following percentages to fractions and ratios:Solution:(i) 25%(ii) 2.5%(iii) 0.3%(iv) 125%3. Express the following as decimal fractions:Solution:(i) 27%(ii) 6.3%(iii) 32%(iv) 0.25(v) 7.5%
1. Write each of the following as percent:
(i) Solution:
= 62.5%
(iv) 0.8
= 0.8 (100)
= 80%
(v) 0.005
= 0.005 (100)
= 0.5%
(vi) 3:25
(vii) 11:80
= 13.75%
(viii) 111:125
(ix) 13:75
(x) 15:16
(xi) 0.18
= 0.18(100)
= 18%
2. Convert the following percentages to fractions and ratios:
Solution:
(i) 25%
(ii) 2.5%
(iii) 0.3%
(iv) 125%
3. Express the following as decimal fractions:
Solution:
(i) 27%
(ii) 6.3%
(iii) 32%
(iv) 0.25
(v) 7.5%