Mathematics
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Answers:
1. There are 40 pupils in a class.Seventy-five percent of them are present.How many are present?How many are absent?
- 30 students are present,and 10 students are absent.
2. Rhoda's allowance for the day is P250 She spends 80% of it and saves the rest.How much does she spend?How much does she have?
- 200 does she spend,and 50 is what she have.
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Solutions:
For no.1
Convert the percentage to decimal.
- 75% = 0.75
- 0.75 × 40 = 30 students are present.
- 40 - 30 = 10 students are absent.
For no.2
Convert the percentage to decimal.
- 80% = 0.80
- 0.80 × 250 = 250 does she spend.
- 250 - 200 = 10 much does she have.
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