• Extra Credit Problems


    Please challenge yourself with these extra credit problems.  You must show all your work and explain in writing your procedure.  Turn in finished problems to Ms. Sangha for extra credit.

     (For additional extra credit, you can do extra credit packets.  Go to home page and click on "Class Handouts") 

    Sailing Trips

    Every day at noon a ship leaves San Francisco for Tokyo, and at the same instant a ship leaves Tokyo for San Francisco.  Each trip lasts exactly eight days.  How many Tokyo ships will each San Francisco ship meet?

    Bales of Hay

    Suppose five bales of hay are weighed two at a time in all possible ways.  The weights in pounds are 110, 112, 113, 114, 115, 116, 117, 118, 120, and 121.  How much does each bale weigh?