This task is about showing how to increase and decrease amounts by given percentages.
Karaka receives $12 pocket money each week. He can choose extra jobs to increase how much he gets each week.
- He gets an extra 25% of his weekly pocket money if he washes the car.
- He gets an extra 40% of his weekly pocket money if he mows the lawn.
| a) | Show how to work out how much he would earn in one week, if he only washes the car. | |
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b)
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Show how to work out how much he would earn in one week, if he only mows the lawn.
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c)
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Karaka had $150 of his pocket money in the bank. He took out 10% of this amount. Show how to work out how much he had left in the bank.
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