Question
A girl spent 40% of her monthly income on clothing. Of
the remaining, she spent on travel and food in the ratio of 7:5. If the difference of the income spent on travel and food is Rs.612, then find her monthly income.Solution
Let her income be 100%. Remaining income = (100 - 40)% = 60% Let the money spent on travel and food be Rs. 7x and Rs. 5x respectively. Now, according to question, => 7x – 5x = 612 => x = 306 Total money spent on travel and food together = 12x = 3672 => 60% --- 3672 => 100% ----- 6120 Therefore her income is Rs. 6120.
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