Question

please help, thank you.

Answer 1

Answer:2x+1/4=12/20

2x+1=12/20x4

2x+1=12/5

2x=12/5-1

2x=12-5/5

2x=7/5

X=7/5x2

X= 14/5

Step-by-step explanation:

Hope it will help you

Answer 2

Answer:

(I) 0.7

(ii) 85

Step-by-step explanation:

(i) 2x+1/4 = 12/20

2x+1= 4(12/20)

2x+1= 48/20

2x+1= 12/5

5(2x+1)= 12

10x+5= 12

10x=12-5

x=7/10

x=0.7

(ii) 5f + 25= 450

5f=450-25

5f=425

f=425/5

f=85

Hope it will help u