1.   Two trains leave the station at the same time. The first train is traveling north at 55 mph and the second train is traveling south at 35 mph. How long does it take until they are 45 miles apart?
    A. hour B. hour
    C. 1 hour D. hour
    Hint

  2.   At a candy shop, plain candy covered chocolate costs $2.95 per pound, while candy covered chocolate with almonds costs $4.95 per pound. How many pounds of plain candy covered chocolate should be mixed with 3 pounds of candy covered chocolate with almonds to obtain a mix that sells for $3.95 per pound?
    A. 2.5 pounds B. 2 pounds
    C. 3 pounds D. 3.5 pounds
    Hint

  3.   A chemistry experiment calls for a 25% solution of copper sulfate. Juanita has 20 milliliters of 15% solution. How many milliliters of 35% solution should she add to obtain the required 25% solution?
    A. 15 milliliters B. 20 milliliters
    C. 23 milliliters D. 17 milliliters
    Hint

  4.   Hakan has 50 milliliters of a 10% acid solution. How many milliliters of 45% acid solution should he add to create a 35% acid solution?
    A. 97 milliliters B. 100 milliliters
    C. 125 milliliters D. 78 milliliters
    Hint

  5.   Xenxang drove 60 miles to visit his daughter. On the way to his daughter's house the trip took 1 hour and 15 minutes. On the way back from his daughter's house the trip took 1 hour and 30 minutes. Rounded to the nearest mile per hour, what was Xenxang's average speed for the round trip?
    A. 44 miles per hour
    B. 46 miles per hour
    C. 48 miles per hour
    D. 40 miles per hour
    Hint



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