60 is 60/16 times as big as 16
so, there will be 60/16 times as many heartbeats, or 60/16 * 12 = 45
or. using a proportion, since the ratio of beats:time is constant,
x/60 = 12/16
A lion's heart beats 12 times in 16 seconds. How many heartbeats will it have in 60 seconds?
A) 3.2 heartbeats
B) 36 heartbeats
C) 45 heartbeats
D) 60 heartbeats
1 answer