Question

if compound ratio of 5:8 and 9:11 is 90:x,then find the value of 'x'

Answer 1

Solution:-
Given : The compound ratio of (5 : 8) and (9 : 11) is (90 : x).
Therefore, according the question.
5/8 × 9/11 = 90/x
45/88 = 90/x 
45x = 90 × 88
x = (90 × 88)/45
x = 176
Answer.