Hello how do I know when ratios are equivalent and when they are not?

To compare ratios, you need to have a common second number. By multiplying each ratio by the second number of the other ratio, you can determine if they are equivalent. Multiply both numbers in the first ratio by the second number of the second ratio. ... If the results are equal, the two ratios are equivalent.

The answer is a hope i

The equation i believe is 4+ i am not sure about the part: the number of weeks in a group of days so i can't you on that part