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Problem Solving:
You are an employee in a company. You are to solve the following problems
which are related to your assigned job. Solve the following problems and
show the complete solution.
1. If it takes 20 hours to paint a room, what part of work is completed after 15
hours?
2. If a carpenter can roof a house in 12 hours and his assistant can roof a
house in 60 hours, how many hours will it take them to roof the house
working together?
3. An airplane was recorded to have a speed that can be represented by 2x – 8
miles per hour, which can cover a distance of x
2 – 7x + 12 miles. Using the
formula time = distance/speed (t=d/s), express the time elapsed in covering
the distance. If x = 9, what will be the time elapsed ?
4. Find the area of a rectangular lot whose length and width are
^2−1 /x^2+2−3 and 2^2+6/+1 respectively.
(show your problem and answer)
(worth 40 points.)
Sagot :
Maraming salamat sa iyong aktibong pakikilahok. Patuloy na magbahagi ng impormasyon at kasagutan. Sama-sama tayong lumikha ng isang masiglang komunidad ng pagkatuto. May mga katanungan ka? Ang IDNStudy.com ang may sagot. Salamat sa iyong pagbisita at sa muling pagkikita.
