A cat’s heart beats approximately 45 times in 15 seconds. At this rate how many times does the cat’s heart beat per second?

3 beats per second

Step-by-step explanation:

45÷15

54

step-by-step explanation:

6x9

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !