Minua uses 30 percent of her monthly earnings for rent and 50 percent of the remaining amount for food and transportation. If she spends 525$ for food and transportation, calculate how much does she pay for rent.
A
400$
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B
450$
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C
500$
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D
550$
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Solution
The correct option is B450Letthemonthlysalaryofminuabex,giventhat30$ percent of her salary is for rent
The money spent for rent is 3x10 The remaining amount is x−3x10=7x10 Given that , 12×7x10=525 , which implies x=1500 Therefore amount spent for rent is 1500×310= 450$