Answer:
1 hour and 20 minutes
Step-by-step explanation:
If 4 people take 3 hours, 1 person will take 4 times as long. This is 4*3=12 hours. If 9 people do it, it will take 1/9 of the time 1 person takes to do it, which is 12/9 = 1.3 recurring, or 1 and 1/3 of an hour.
Answer:
12.5664
Step-by-step explanation:
If you know the radius or diameter of the circle:
Formula to find circumference : c = 2πr = πd
Answer:
x = 12/17
Step-by-step explanation:
2x + 4x + 5x + 6x = 12
17x = 12
x = 12/17
Answer:
a = 3
Step-by-step explanation:

(x/6)×6<-5×6 (Multiply both sides by 6)
x<-30
Solution :] -♾️ , -30 [
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