60 seconds in a minute
12 goes into 60, 5 times,
So 5 * 28 = 140
140 claps per minute
0.5 minute is 30 seconds, half a minute so divide by 2,
140/2 = 70
70 times every 0.5 minutes
Answer:
x=20
Step-by-step explanation:
10x-60=140
10x=140+60
10x=200
x=20
Answer:
i think its C but not sure
Step-by-step explanation:
Answer:
a =15
b=70
c=400
d=1500
e=5300
Step-by-step explanation:
it will help u