Question

. If (x + 3) : (4x + 1) is the duplicate ratio
3: 5, find the value of x.​

Answer 1

x+3. 3

------ = -

4x+1. 5

5(x+3) = 3(4x+1)

5x+15=12x+3

15-3=12x-5x

12=7x

x=12/7

x= 1.74