1. Pineapples cost 30  cents each, whereas pears cost 90  cents a dozen. A litre of fruit punch requires 1/3  of a pineapple and 4  pears. How many dollars will it cost to make 8  litres of fruit punch?   2.60   0.40   None of these   3.20   29.60   Hint Half-n-half Clue   2. Mr. Haqim drove from Hat Hill to Capsville in 80  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?   133   96   53   112   cannot be determined   Half-n-half Clue   3. If 4 x + 5 y = 47 then 24 x + 30 y is equal to   47   282   376   none of these   329   Half-n-half Clue   4. Of the S students enrolled in a Programming Course, 70% take the Certification Examination. 60% of the students who take the Certification Examination pass it. In this Certification Examination, students who pass the examination are what percent of the students enrolled in the Programming Course?   42   0.60 S   70   0.42 S   60   Half-n-half Clue