Question

4).Hari has some two rupee and five rupee coins .The total amount with him is Rs. 43. Express the given information as a linear equation in two variables.

Answer 1

Answer:

Step-by-step explanation:

linear equation will be 2x+5y = 43

where x is two rupee and y is five rupee

ANSWERED BY GAUTMATH

Answer 2

Answer:

Let x be no. of two rupee coins and y be no. of five rupee coins.

Given that,

x+y=36...(1)

2x+5y=84...(2)

(1)×5⇒ 5x+5y=180

2x+5y=84

3x=180−84

⇒x=60.28

⇒x=32;y=36−32=4

Therefore no. of five rupee coins are 4.