1: determine which ratio forms a proportion with 7/2 by finding a common multiplier. a: 35/8 b: 70/20 c: 28/10 d: 70/10 explain pleasse

B would the ratio because the common multiplier would be 10

Hi there!

The answer is B.

70/20 is equal to 7/2 because when both the numerator and the denominator is multiplied by any of the same number, the fraction is equal.
In this case, the numerator and the denominator of the fraction 7/2 was multiplied by 10, ending up with the equivalent fraction of 70/20.

Hope this helps!