Donaldo has a part time job teaching paino lessons. he saves 25% of his earnings so that he can pay his income taxes at the end of each year.

if donaldo saved $2,500 to pay last year's taxes, how much money did he earn last year?

last year, donaldo earned $

Last year, Donald earned  $10,000.

Step-by-step explanation:

Let us assume the Donald's earnings last year = $ m

The income taxes = 25% of the salary

Now, It is given that the tax paid last year = $2,500

⇒ 25% of m = $2,500

Solving for the value of m, we get

or, m = $10,000

Hence, the last year earnings of Donald = $10,000

john earns $14.00 for two hours of work.