The monthly income of \[x\]and \[y\] are in the ratio of 4 : 5 and their monthly expenditure are in the ratio 7 : 9. If both save $ 100 per month then monthly expenditure of \[x\] will be:

The monthly income of \[x\]and \[y\] are in the ratio of 4 : 5 and the

1.	The monthly income of \[x\]and \[y\] are in the ratio of 4 : 5 and their monthly expenditure are in the ratio 7 : 9. If both save $ 100 per month then monthly expenditure of \[x\] will be:
A.	$800
B.	$700
C.	$900
D.	$200
E.	None of these
Answer» D. $200

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The monthly income of \[x\]and \[y\] are in the ratio of 4 : 5 and their monthly expenditure are in the ratio 7 : 9. If both save $ 100 per month then monthly expenditure of \[x\] will be:

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