Algebra- Problem Solving

In case na di mabasa sa bidyo, eto ung mga problema na sinagutan..
1) Divide 225 among A, B and C such that A:B = 2:3 and B:C= 2:5. Find the share of each.
2) The scale on the map is 1cm: 25 km. How far apart are two cities 13cm apart on the map?
3) A certain amount of money is shared among Ana, Bert and Dan in a ratio 5:7:3. If Dan gets Php 45,000, how much is the total amount?
4) 27 men can do a certain job in 15 days. In how many days can 18 men do the same job at the same rate?
5) Farmer A can do a job in 5 days working alone. Farmer B can finish the same job in 6 days working alone. In how many days can the two farmers finish the same job working together?
6) Myla sold 144 glasses of lemon juice at a constant rate over 6 hrs. If she continues to sell glasses of juice at the same rate, how many glasses will she sell in the next 45 minutes?
7) Jose can paint 4/9 of the second floor of a small building in 144 hours. At that rate, how many hours will it take him to paint the entire floor?

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