If Jamie's income is Rs 20000, calculate his savings given that his income and expenditure are in the ratio 7:5.?  Options.
A) Rs 7500
B) Rs 4000
C) Rs 2000
D) Rs 8000
E) Rs 7000
Let the income and the expenditure of the person be Rs.7x and Rs.7x respectively.   Income, 7x = 28000 =&gt; x = 4000   Savings = Income - expenditure = 7x - 5x = 2x   So, savings 7  - 5= 
<gadget id="calculator">7  - 5</gadget>
<output>2</output>
2x   So, savings= Rs.8000   Answer: Rs 8000
<result>D</result>
If Jamie's income is Rs 20000, calculate his savings given that his income and expenditure are in the ratio 7:5.?