Fractions And Percentages Worksheet Page 14
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28MEP Pupil Text 11
Exercises
1.
A baby weighed 5.6 kg and six weeks later her weight had increased to 6.8 kg.
Find the percentage increase.
2.
A factory produces video tapes at a cost of 88p and sells them for £1.10. Find the
percentage profit.
3.
A new car cost £11 500 and one year later it was sold for £9995. Find the
percentage reduction in the value of the car.
4.
An investor bought some shares at a price of £4.88 each. The price of the shares
dropped to £3.96. Find the percentage loss.
5.
A supermarket offers a £10 discount to all customers spending £40 or more.
Karen spends £42.63 and John spends £78.82. Find the percentage saving for
Karen and John.
6.
After a special offer the price of baked beans was increased from 15p per tin to
21p per tin. Find the percentage increase in the price.
7.
The size of a school increased so that it had 750 pupils instead of 680 and
38 teachers instead of 37. Find the percentage increases in the number of teachers
and pupils. Comment on your answers.
8.
In a science experiment the length of a spring increased by 4 cm to 20 cm.
Find the percentage increase in the length of the spring.
9.
The average cost of a local telephone call for one customer dropped by 8p to 27p.
Find the percentage reduction in the average cost of a local call.
10.
In a year, the value of a house increased from £46 000 to £48 000. Find the
percentage increase in the value of the house and use this to estimate the value after
another year.
11.
A battery was tested and found to power a cassette player for 12 hours.
An improved version of the battery powered the cassette player for an extra
30 minutes. Find the percentage increase in the life of the batteries.
12.
The value of a car depreciates as shown in the table.
Vehicle
Value
New
£12 000
After 1 year
£10 000
After 2 years
£ 8 800
After 3 years
£ 8 000
During which year is the percentage decrease in the value of the car the greatest?
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