Answer:
1) 48% and 52%
The percent of the class are boys is 48%
And the percent of the class are girls is 52%
2) 62.5%
The percent remains unsold is 62.5%
3) 37.5
37.5 pupils are on their practice.
Step-by-step explanation:
1) 24/50 × 100/100
= 24 × 100 × 1/100 = 48/100
50
2) 125/200 × 100/100
= (125 × 100) × 1/100 = 62.5/100
200
3) 75% × 50
= 75/100 × 50
= (75 ÷ 100) × 50
= 75 × 50 ÷ 100
= 3,750 ÷ 100 =
= 37.5
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