GIVE EXPRESSION:b. A pen and a pencil cost Rs 60. If the pencil costs – InterviewSolution

1.

GIVE EXPRESSION:b. A pen and a pencil cost Rs 60. If the pencil costs Rs x, what is the cost of the pen? Explained answer needed. Please answer only if you know.

Answer»

LET the COST of PEN be y.

x+y= 60

y=60-x

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