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Standard VII

Mathematics

Substitution

On dividing ?...

Question

On dividing ?200 between a and b such that twice of a's share is less than 3 times B's share by ? 200. Find B's share.

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Solution

Dear student

Given:
A + B = 200 ------- (1)
2A = 3B - 200
Multipy equation (1) by 2
2A + 2B = 400 ------- (2)
put value of 2A in eq (2)
3B - 200 + 2B = 400
5B = 600
B = 120

Regards

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On dividing ?200 between a and b such that twice of a's share is less than 3 times B's share by ? 200. Find B's share.

Dear student Given: A + B = 200 ------- (1) 2A = 3B - 200 Multipy equation (1) by 2 2A + 2B = 400 ------- (2) put value of 2A in eq (2) 3B - 200 + 2B = 400 5B = 600 B = 120 Regards

Dear student

Given:
A + B = 200 ------- (1)
2A = 3B - 200
Multipy equation (1) by 2
2A + 2B = 400 ------- (2)
put value of 2A in eq (2)
3B - 200 + 2B = 400
5B = 600
B = 120

Regards