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Example 5
There are 36 000 spectators at a football match. 85% of the spectators are adults.
How many children are there at the football match?
Solution
85% of the 36 000 spectators are adult.
360
1
= 85 X 360
= 30 600
There are 30 600 adults at the football match.
There are 36 000 - 30 600 = 5400 children at the football match.
Check My
Understanding
O Find the following values without using a calculator,
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O Find the following values without using a calculator.
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What will the mass of the gravel be when it Is dry?
O 240 people are watching a netball match. 25% of the people watching are children.
a) How many children are watching the netball match?
b) How many people watching the match are not children?
O 90% of the machines in a factory are working properly. There are 800 machines in the factory.
How many machines are not working properly?
O Harry is going on holiday. They will cover a distance of 640 km. His mother says they have travelled
30% of the distance. Find the distance they still have to travel.
O A test has 24 multiple choice questions. How many questions do you need to answer correctly to
score at least 80%?

