Question

0.25(4f – 3) = 0.05(10f – 9)​

Answer 1

Answer:

f-(0.75) = 0.5f -0.45

f-0.5f=0.75-0.45

0.5f=0.3

f=0.3/0.5

f=0.6

Answer 2

•ՏͲᎬᏢ ᏴͲ ՏͲᎬᏢ ᎬХᏢᏞᎪᏆΝᎪͲᏆϴΝ:-

0.25(4f−3) = 0.05(10f−9)

• distributive

⇒0.25(4f) + 0.25(−3) = 0.05(10f) − 0.05(−9)

• simplify

⇒1f − 0.75 = 0.5f − 0.45

⇒f − 0.75 = 0.5f − 0.45

• combine like terms

⇒f − 0.5f = 0.75 − 0.45

⇒0.5f = 0.30

• get variable alone:

f = 0.30 ÷ 0.5 = 0.6

∴f = 0.6