Answer:
C is the answer I think...
Answer:
A. False
B.False
C.True
D.True
I'm not completely sure but that's what I got.
60x24=1,440
103,680/1,440=72 beats per minute
an average human heart beats 72 to 80 beats per minute
1/4hr+1/6hr=time per customers
=5/12hr
3hr+1/3hr=40/12hr
everyday8customers
every week 30customers
<span>multiplying and dividing is similar adding and subtracting. When the signs are different the answer is negative. When the signs are the same the answer is positive</span>