Question

if (x+1) : (x+7) is the triplicate ratio of 3:4 find the value of x

Answer 1

Answer:

Step-by-step explanation:

(x+1)/(x+7) = 3/4

Cross multiply

(x+1) × 4 = (x+7) × 3

4x+4=3x+21

4x-3x= 21-4

X=17