A paper file costs Rs0.80 and a plastic file Rs1.50. Suman bought $x$ paper files and $y$ plastic files. How many rupees should she pay the shopkeeper?

8 y + 15 x

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8 x + 15 y

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0.8 x + 1.5 y

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80 x + 1500 y

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Solution

The correct option is C $0.8 x + 1.5 y$
Given : the number of paper files bought is $x$
and the number of plastic files bought is $y$

Cost of one paper file and one plastic file is Rs0.80 and Rs1.50.

Hence, the total amount to be paid is $R s 0.8 x + 1.5 y$

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A paper file costs Rs0.80 and a plastic file Rs1.50. Suman bought $x$ paper files and $y$ plastic files. How many rupees should she pay the shopkeeper?

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A paper file costs Rs0.80 and a plastic file Rs1.50. Suman bought x paper files and y plastic files. How many rupees should she pay the shopkeeper?

The correct option is C 0.8x+1.5yGiven : the number of paper files bought is x and the number of plastic files bought is y Cost of one paper file and one plastic file is Rs0.80 and Rs1.50. Hence, the total amount to be paid is Rs 0.8x+1.5y

A paper file costs Rs0.80 and a plastic file Rs1.50. Suman bought $x$ paper files and $y$ plastic files. How many rupees should she pay the shopkeeper?

The correct option is C $0.8 x + 1.5 y$
Given : the number of paper files bought is $x$
and the number of plastic files bought is $y$

Cost of one paper file and one plastic file is Rs0.80 and Rs1.50.

Hence, the total amount to be paid is $R s 0.8 x + 1.5 y$