SOLUTION: three students are planning to rent an apartment for a year and share equally in the rent. By adding fourth person, each person could $75 each month. How much is the monthly rent?

Question 997630: three students are planning to rent an apartment for a year and share equally in the rent. By adding fourth person, each person could $75 each month. How much is the monthly rent? Could you please show me how you did it so I can understand how you solved it? Thanks!!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the monthly rent
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In words:
[ each of the 3 students share minus $75 each ] = [ each students share if there are 4 ]
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Multiply both sides by

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The rent is $900/month
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check:

OK
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