Question

Simplify: 0.4 bar + 0.61 bar + 0.11 bar - 0.36 bar

Answer 1

Answer:

Let x =0.4... 1eqn

Multiply

by 10 both sides

10x =4.444 2qn

2eqn -1eqn

10x=4.444

x=0.444

9x=4

x=4/9

Answer 2

Answer:

let x=0.4. 1eqn

multiply

by 10 both side

10x=4.444. 2eqn

2eqn-1eqn

10x=4.444

x=0.444

9x=4

x=4/9