Question

The cost of 5 pencils and 2 pens is h rupees.
If a pen costs 3 times that of a pencil, which of the following expressions gives the cost of a PENCIL, in rupees?​

Answer 1

Answer:

x=h/11

Step-by-step explanation:

let pencil cost =x

pen cost = y

so

5x+2y=h--------(1)

and according to second condition

y=3x-----------(2)

from 1&2

5x+2*3x=h

5x+6x=h

11x=h

x=h/11

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