Answer:
1. D. 1
2. C. 7.2
3. E. 120
4. B. 21
5. A. 90
Step-by-step explanation:
25 percent × 4
= (25 ÷ 100) × 4
= (25 × 4) ÷ 100
= 100÷100
= 1
18% × 40
= 18/100 × 40
= (18 ÷ 100) × 40
= 18 × 40 ÷ 100
= 720 ÷ 100
= 7.2
15% × 800
= 15/100 × 800
= (15 ÷ 100) × 800
= 15 × 800 ÷ 100
= 12,000 ÷ 100
= 120
105% × 20
= 105/100 × 20
= (105 ÷ 100) × 20
= 105 × 20 ÷ 100
= 2,100 ÷ 100
= 21
10% × 900
= 10/100 × 900
= (10 ÷ 100) × 900
= 10 × 900 ÷ 100
= 9,000 ÷ 100
= 90
hope it helps :)
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Answers & Comments
Answer:
1. D. 1
2. C. 7.2
3. E. 120
4. B. 21
5. A. 90
Step-by-step explanation:
1. D. 1
25 percent × 4
= (25 ÷ 100) × 4
= (25 × 4) ÷ 100
= 100÷100
= 1
2. C. 7.2
18% × 40
= 18/100 × 40
= (18 ÷ 100) × 40
= 18 × 40 ÷ 100
= 720 ÷ 100
= 7.2
3. E. 120
15% × 800
= 15/100 × 800
= (15 ÷ 100) × 800
= 15 × 800 ÷ 100
= 12,000 ÷ 100
= 120
4. B. 21
105% × 20
= 105/100 × 20
= (105 ÷ 100) × 20
= 105 × 20 ÷ 100
= 2,100 ÷ 100
= 21
5. A. 90
10% × 900
= 10/100 × 900
= (10 ÷ 100) × 900
= 10 × 900 ÷ 100
= 9,000 ÷ 100
= 90
hope it helps :)