If the wife earned x money, then Mario earned 3x money. So we have:
x + 3x = 11,000
4x = 11,000
x = 2,750
Thus, Mario's wife earned 2,750.
The amount of money earned on a principal called is interest
Income Tax is a tax based on the amount of money earned.
money earned for work dun is the amount of money you earn for the amount of work you have dun i think.....
Interest is earned or paid for the use of money
Interest is earned or paid for the use of money
Income
Income or profit
depends on how long you work
depends on how long you work
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Salery; earnings
Rate of interest.