Answer:
7 hr * 12 days = 84 hours
10*84 = 840 man-hrs to build the wall
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14 men * 8 hr = 112 man-hrs/day
840/112 = 7.5 days
Step-by-step explanation:
Answer:
Answer for 1 is x=10 and y=6
Step-by-step explanation:
Basically if you divide the ratio by the side then you should get your answer so 1:2 is basically 1/2
Answer:
Step-by-step explanation:
What's x
Well I'm assuming i is the sqrt(-1)
So i^2=-1
Thus i^4=(-1)^2=1
Since i^41=i*i^40=i*(i^4)^10=i*1^10=1
