Question

A cow heart beat 325 in 5 minutes. about how many times does a cow's heart beat in 2 minutes?

Answer 1

130

Explanation:

You can make a ratio - 325:5, then we can simplify it to 65:1, where we are comparing # of beats in 1 minute. Now, we can just multiply both sides by two, getting us 130:2, which is just 130 beats.