Question

13. Mr. Smith spends 3/10 of his salary on taxes, and
4/7 of the remainder on transport. He then spends
5/6 of the further remainder on food, and deposits
the rest in the bank. If he deposits $500 in the
bank, what is his salary?​

Answer 1

Answer:

Let n be the amount Mr. Smith starts with. If he spends 3/10 of his salary, or n, then he has 7/10 left. Similarly, he has 3/7 left after transport, and 1/6th after food. So:

n(7/10)(3/7)(1/6)=500

3n/60=500

n=10000

Step-by-step explanation:

Hope this helps!!!