Question

please help
I will mark you brainlist​

Answer 1

Answer:

f = 1.25

Step-by-step explanation:

0.4(0.5f - 4) = 3(0.03f - 0.5)

0.25f - 1.6 = 0.09f - 1.5

0.25f - 0.09f = 1.6 - 1.5

0.16f = 0.1

it can be written as

16/100 * f = 1/10

16f/100 = 1/10

16f = 100/10

16f = 10

f = 10/16

f = 5/4 = 1.25