Problems of the Week

3 - Pointer

Gumdrops and Lollipops

If six gumdrops and ten lollipops cost $1.36, but six lollipops and ten
gumdrops cost $1.20, how much does each lollipop and gumdrop cost? 






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5 - Pointer

Sand Timers

You have two hourglass  sand timers, one that runs for 3 minutes and another
that runs for 5 minutes.  How do you time 7 minutes using these two sand timers?