1.The sum of two numbers is 80. Their difference is 12. Find the numbers.

2.Find two numbers such that twice the smaller plus 3 times the larger is 34 and 5 times the smaller minus twice the larger is 9.

3.A fraction has the value 2/3. If 4 is added to the numerator and the denominator is decreased by 2, the resulting fraction has the value 6/7. What is the original fraction?

4.The width of a rectangle is 5 m longer than its length. Its perimeter is 98 m. Find its dimension

5. A train leaves Manila traveling east at 80 kilometers per hour. An hour later, another train leaves Manila on a parallel track at 120 kph. How far from Manila will the trains meet?

6.The length of a rectangle is 7 cm more than its width. Its perimeter is 514 m. Find the length and width of the rectangle.

7.Jude is 4 years older than Angel. Eight years ago, Jude was twice as old as Angel. What are their ages now?

8.Ten times a certain number added to five times another number is 170. The first number less than the second number is 5. Find the numbers.

9.A motorboat took 3 hours to make a downstream trip with a current of 6 kph. The return trip against the same current took 5 hours. Find the speed of the boat in still water.

10. Two cars leave town at the same time going in opposite directions. One of them traels 60 mph and the other 30 mph. In how many hours will they be 150 miles apart?