The compound ratio 5:7 and inverse of 2:9
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Answer:
the answer is 10:63
Step-by-step explanation:
given,
given ratios=5:7and2:9
compound ratio of a:b and c:d=ac:bd
compound ratio of 5:7 and 2:9 = 5(2):7(9)
=10:63
the answer is 10:63.
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