60 heartbeats
Answer: E 60 heartbeats
A lion's heart beats 12 times in 16 seconds. How many heartbeats will it have in 60 seconds?
Responses
A 36 heartbeats36 heartbeats
B 45 heartbeats45 heartbeats
C 3.2 heartbeats3.2 heartbeats
D 80 heartbeats80 heartbeats
E 60 heartbeats
3 answers
Nope, 45 heartbeats, I think.
x/12 = 60/16
16x = 720
x = 720/16 = 45
or
16 seconds for 12 heartbeats
1 second for 12/16 heartbeats
60 seconds for (12/16)(6) = 45 heartbeats
16x = 720
x = 720/16 = 45
or
16 seconds for 12 heartbeats
1 second for 12/16 heartbeats
60 seconds for (12/16)(6) = 45 heartbeats