A man spends of his monthly income and saves R s .1,100. His monthly income is Rs. ____.

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Detailed Solution

Concept- His monthly income is Rs. 5,000.
The following is the relationship between income, spending, and savings:
Savings = Income - Expenditures
By entering the above data into this equation, we can determine the monthly income. The man's expenditure is shown in this instance as a percentage. For instance, if a man makes 100% month and spends 6 of that amount, he uses Rs.6 of his monthly income. From this example, we can derive a solution to the problem.
Let his monthly income be R s .100. Then his expenditure is R s .78. Therefore, his savings is

.
Let us put this in reverse. If the saving is R s .22, then the income is R s .100. Hence if the savings is R s .1, then the income is

. If the savings is R s .1,100, then the income is

rupees.
Hence, his monthly income is R s .5,000.

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