1.  Last month, Mr. Anderson spent 9% of his salary to pay his electricity bill, 15% to pay his phone bill, and 46% for general monthly expenses. If his salary is $ 2000, then his savings last month was 

Hint
Halfnhalf Clue
 

2.  Mr. Haqim drove from Hat Hill to Capsville in 75 minutes at an average speed of 50 miles per hour. In about how many minutes should he make the return journey so that his average speed for the entire journey is 60 miles per hour? 
 Halfnhalf Clue
 

3.  If 7 x + 4 y = 53 then 35 x + 20 y is equal to 
 Halfnhalf Clue
 

4.  If the base of a triangle is decreased by 20%, and its height is increased by 20%, then the area of the triangle 
 Halfnhalf Clue
 
