Question

compound ratio of 2:3 and 5:7 is how much
​

Answer 1

Answer:

2×5:3×7

=10:21

Step-by-step explanation:

plz answer as brainliest

Answer 2

Answer:

For ratios m : n and p : q; the compound ratio is (m × p) : (n × q). For ratio m : n, p : q and r : s; the compound ratio is (m × p × r) : (n × q × s). 2. Duplicate ratio: Duplicate ratio is the ratio of two equal ratios.

Step-by-step explanation:

2*5:3*7

10:21

hope it may helps you.