Question

sumo has 21 coins consisting of 1 rupee and 2 rupee coins .total amount is 34 rupees then .how many one rupee coin and two coin

Answer 1

Answer:

eight- 1 rupee coins and 13- 2 rupee coins

Explanation:

21 coins--- rupees 34

Let number of 2 rupees coins be x

thus number of 1 rupee coins is 21-x,

2x + (21-x)= 34

x +21= 34

x=13

21- x=8