Question

To save time, we often count the pulse for 30 seconds instead of a minute. If we

If we
do this, what must we multiply by to obtain an accurate pulse rate?
only count for 15 seconds, what do we multiply by?

Answer 1

A. 2 B. 4

Step-by-step explanation:

30 * 2 = 60

15 * 4 = 60