Answer:
the value of b is 74 it won't let me help
700/10 = 70
A heart beats 70 times in a minuet.
70 * 2 = 140
It takes 2 minuets for a heart to beat 140 times.
Answer:
They could have asked more than 100 people or it just went over because of the percentages and they didn’t know
Step-by-step explanation:
Answer:
A
Step-by-step explanation: