A) \[8y+15x\]
B) \[8x+15y\]
C) \[80x+1500y\]
D) \[0.8x+1.5y\]
Correct Answer: D
Solution :
Cost of a paper file Rs. 0.80 \[\therefore \] Cost of \[x\] paper files = Rs. 0.80 x Cost of a plastic file = Rs. 1.50 \[\therefore \] Cost of y plastic files = Rs. 1.50y Total amount to be paid to the shopkeeper = Rs. \[(0.80x+1.50y)\]
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