A man spend 3/8 of his monthly income on food and 2/5 of the remaining on clothes.
A) Find what fraction of his income is left with him?
b) If money left is rupees 1200; find his monthly income
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A man spend 3/8 of his monthly income on food and 2/5 of the remaining on clothes.
A) Find what fraction of his income is left with him?
b) If money left is rupees 1200; find his monthly income
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Answer:
a) 3/8
b)
Step-by-step explanation:
Let monthly income = x Rs
Money spent on food = x * 3/8
Remaining money post spent on food = x - 3x/8 = 5x/8
Money spent on clothes = 5x/8*2/5 = 2x/8
Remaining money = x - (3x/8+2x/8) = x - 5x/8 = 3x/8
So fraction of his income left with him = 3/8
b ) Money left = 1200
=> 3x/8 = 1200
=> 3x = 1200 * 8
=> x = 9600/3
=> x = 3200 Rs