Question

if ₹20 is cost of a small copy and the ₹ 30 is cost of register and ₹90 cost of three register and x is the cost of a pen so what will cost of pen if the boy has ₹150.​

Answer 1

Step-by-step explanation:

cost of small copy- rupees 20

cost of register rupees 30

cost of 3 register rupees 90

money with boy rupees 150

to find cost of pen (X)

solution 90 + 30 + 20 + 6 =150

140+X= 150

X=150-140

X=10