Question

p : q = 4 : 5 and q : r = 6 : 7. Find p : r *

Answer 1

Answer:

24:30:35

Step-by-step explanation:

let,

p/q=4x/5x

q/r=6y/7y

q=5x

6/7=5x/r

By simplyifing r=35x/6

p=4x

so

p:q:r=24:30:35

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Answer 2

Answer:

p/q = 4/5 => q = 5p/4

q/r = 6/7 => q = 6r/7

5p/4 = 6r/7 => p/r = 24/35