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   $ 180   $ 300   $ 1400   $ 920   $ 600   Hint Half-n-half 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?   90   cannot be determined   105   50   125   Half-n-half Clue   3. If 7 x + 4 y = 53 then 35 x + 20 y is equal to   265   371   318   53   none of these   Half-n-half 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   increases by 20%   decreases by 4%   remains unchanged   decreases by 35%   decreases by 20%   Half-n-half Clue