Question

A pen costs 7 times as that of a pencil. if raju buys 3 pencil and 2 pens and pays $ 34, what is the cost of a pencil? What is the cost of a pen give me full solution

Answer 1

7x =cost of pen
X =cost of pencil
Raju buys:
3x+2(7x)=34
3x+14x=34
17x=34
X=2

cost of a pen =7x=7×2=$14