Answer:
1. 400
2. 350
3. 520
4. ---
5. 90
6. 18
7. ---
Step-by-step explanation:
1. 8 x 200 = 1600
1600 ÷ 4 = 400
thus, N = 400
2. 210 x 25 = 5250
5250 ÷ 15 = 350
Thus, N = 350
3. 2:130 = N:780
N = 520
5. 60:12 = N:18
N = 90
6. N = 18
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Answer:
1. 400
2. 350
3. 520
4. ---
5. 90
6. 18
7. ---
Step-by-step explanation:
1. 8 x 200 = 1600
1600 ÷ 4 = 400
thus, N = 400
2. 210 x 25 = 5250
5250 ÷ 15 = 350
Thus, N = 350
3. 2:130 = N:780
N = 520
5. 60:12 = N:18
N = 90
6. N = 18