1) The sum of two numbers is 28. One of the numbers is 8 more than the other. Find the numbers

2)Matt bought 2 pairs of shorts and 1 shirt for Php 2 000.00 on Monday. The next day, he decided to buy his brothers 4 pairs of shorts and 3 shirts worth Php 4 600.00. how much is each pair of short and shirt?
3)A nurse wants to mix 25% alcohol solution with a concentrated one (100% alcohol) to produce a 50% 500 mL alcohol solution. How much of each should she mix?

4)Two angles A and B are supplementary. Angle A measures twice as much as angle B. Find the measures of each angle.

5)An aircraft flying with a head wind travels the 1 500 miles flying distance between two cities in 4 hours. On the return flight, the same distance is traveled in 3 hours. What are the ground speed of the plane and the speed of the wind in miles per hour, assuming that both remain constant