Question

Simplify and solve the linear equation

0.25(4f - 3) = 0.05(10f - 9)

Answer 1

0.25( 4f - 3 ) = 0.05( 10f - 9 )

1/4( 4f - 3 ) = 1/20( 10f - 9 )

5(4f − 3) = 10f − 9

⇒ 20f − 15 = 10f − 9 (Opening the brackets)

⇒ 20f − 10f = − 9 + 15

⇒ 10f = 6

⇒ f = 3/5 = 0.6