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If it takes 5 men 20hours to brick a house, how long will it take 2 men to do the job if they work at the same rate?
2 answers:
Answer:
50 hours.
Step-by-step explanation:
To solve these type of question we should always remember that man power is inversely proportionate to the work done.
That means if we double the manpower work done will be half. and when we reduce the manpower to the half time take to complete the work will be double.
It takes 5 men to brick a house = 20 hours
so 1 man will brick the house = 20 × 5
= 100 hours
Therefore, 2 men will brick the house =
= 50 hours.
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Given:
Endpoints of a segment are (0,0) and (27,27).
To find:
The points of trisection of the segment.
Solution:
Points of trisection means 2 points between the segment which divide the segment in 3 equal parts.
First point divide the segment in 1:2 and second point divide the segment in 2:1.
Section formula: If a point divides a line segment in m:n, then
Using section formula, the coordinates of first point are
Using section formula, the coordinates of first point are
Therefore, the points of trisection of the segment are (9,9) and (18,18).