Answer:
1) 20% of 250 is 50
2) 15% of 80 is 12
3) 20% of 90 is 18
Explanation:
1) 20% × 250
= 20/100 × 250
= (20 ÷ 100) × 250
= 20 × 250 ÷ 100
= 5,000 ÷ 100
= 50
2) 15% × 80
= 15/100 × 80
= (15 ÷ 100) × 80
= 15 × 80 ÷ 100
= 1,200 ÷ 100
= 12
3) 18/90 × 100/100 = 20/100
= 20%
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