12
Percentages
Make sure you can switch from fractions to decimals to percentages before you start.
Q1 Express each percentage as a decimal:
a) 20% b) 35%
c) 2% d) 62.5%
Q2 Express each percentage as a fraction in its lowest terms:
a) 20% b) 3%
c) 70% d) 84.2%
Q3 Express each of the following as a percentage:
a) 8- b) 0.23 c) 4012 d) 0.34
Q4 In a French test, Lauren scored 17/20. What percentage is this?
Q5 87 out of 120 pupils at Backwater School have access to a computer. What percentage is this?
There are three types of percentage question. The first one is working out "something % of something else" — it's dead easy. Just remember to add it back on to the original amount if you've got a VAT question.
Q6 John bought a new TV. The tag in the shop said it cost f299 + VAT. If VAT is charged at 171/2%, how much did he pay (to the nearest penny)?
Q7
vela■IlLa THE PICKLED PARROT
Four friends stay at the Pickled Parrot Hotel for a night and each have an evening meal. Bed and Breakfast costs f37 per person and the evening meal costs £15 per person. How much is the total cost, if VAT is added at 171/2%?
Q8 The owners of a museum are expecting a 14% increase in visitors next year. This year they had 20 200 visitors. How many visitors should they expect next year?
SECTION ONE - NUMBERS