By which integer 20 must be divided to get the quotient -20?
2 answers:
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25 people can dig the hole of 50 m deep in hours
Explanation
4 people can dig a hole 20 m deep in 3 hours
So, 1 people can dig a hole 20 m deep in (3×4)hours= 12 hours [If the number of people decreases, then the time taken to dig the hole will increase]
and 1 people can dig a hole 1 m deep in ()hours =
hours = 0.6 hours
Now, if 1 people dig the hole of 50 m , then the time needed = (0.6×50) hours = 30 hours
So, 25 people can dig the hole of 50 m deep in = hours
Answer:
70 m^2
Step-by-step explanation:
I did this quickly, so please check the numbers.
Divide the figure into 3 recdtangles and one triangle. Calculate the area of each and take the sum.
I realize after looking at the image that one could have made only two rectangles and gotten the same result.
Answer:
Step-by-step explanation:
Favtor the terms:
2uv+5u
8v+20
Add the factored terms and factor out the common term 2v+5: