Question

If P:Q=2:9Andq:R=3:7,Find P:R

Answer 1

Answer: p/r is 2/21.

Step-by-step explanation:

p/q and q/r.

p/r = p/q * q/r. = 2/9 * 3/7

= (p*q) / (q*r) = (2*3)/(9*7)

= p/r = 2/3*7

= 2/21.