Question 1095124
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Salary x<br>
3/10 spent; 7/10 is left<br>
4/7 of the 7/10 used for transport, so 3/7 of the 7/10 = 3/10 is left<br>
5/6 of the 3/10 is spent on food, so 1/6 of the 3/10 = 1/20 is left<br>
The $500 that is left is 1/20 of his salary; his salary is 20*$500 = $10,000.<br>