Minua uses 30% of her monthly earnings for rent and 50% of the remaining amount for food and transportation. If she spends dollar 525 for food and transportation, calculate how much she pays for rent.

# Minua uses 30% of her monthly earnings for rent and 50% of the remaining amount for food and transportation. If she spends dollar 525 for food and transportation, calculate how much she pays for rent.

1. A
400 dollars
2. B
450 dollars
3. C
500 dollars
4. D
550 dollars

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### Solution:

Let the monthly salary of minua be .
given that 30 percent of her salary is for rent,
Here, we use the formula:
Thus, money spent on rent: Total money = Money on rent + Money not on rent.
Rest of money: Taking LCM we get: Now, 50% of this money is used for food and transportation, Thus, 50% of is spent on food and transportation.
Money is spent on food and transportation:Now given that 525 dollar are spent on food and transportation,
Amount spent on rent is: Minua's monthly salary is: 1500 dollars.
So, we get:
The amount spent for rent is 450 dollars.

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