Question

A pen cost RS 15 and a ruler costs RS 10 . What is the cost of x pens and y rulers

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

The cost of 1 pen is 15

The cost of x pens is 15 × x =15x

The cost of 1 ruler is 10

The cost of x rulers is 10 × y = 10y

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