While purchasing one item costing Rs.400, one has to pay sales tax at 7 % and on another costing Rs. 6400, the sales tax was 9%. The percentage of sales tax one has to pay, taking these items together on an average is:

While purchasing one item costing Rs.400, one has to pay sales tax at

1.	While purchasing one item costing Rs.400, one has to pay sales tax at 7 % and on another costing Rs. 6400, the sales tax was 9%. The percentage of sales tax one has to pay, taking these items together on an average is:
A.	$$8{1 over 2}$$
B.	$$8{11 over 17}$$
C.	$$8{13 over 17}$$
D.	$$8{15 over 17}$$
Answer» E.

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While purchasing one item costing Rs.400, one has to pay sales tax at 7 % and on another costing Rs. 6400, the sales tax was 9%. The percentage of sales tax one has to pay, taking these items together on an average is:

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