Question

Alka spends 90% of the amount sent to her and save rupees 120 per month find the amount send to her per month

Answer 1

Let the total money be X
90 percent to X + 120 equals to X
9/10x + 120 equals to X
X - 9/10x equals to 120
1/10x equals to 120
X equals to 120 multiplied by 10
X equals to 1200





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