Answer:
Explanation:
1. Divide 30 and 40 by 10. This yields 3/4, a new ratio equivalent to 30/40.
2. Divide 30 and 40 by 5. This yields 6/8, also 3/4.
Two ratio are 3:4 or 60:80.
For 3:4 we simplified 30:40 which is basically 30/40 so you divide denominator and numerator by 10 which gets you 3:4.
For 60:80 you basically multiply 30:40 or 30/40 by 2 and you get 60/80 or 60:80
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