Posted by Maya on Tuesday, November 9, 2010 at 12:21pm.
A tropical water lily doubles in size each week. If it takes 60 weeks for the plant to completely cover a pond, when will half the pond be covered?

Math  Ms. Sue, Tuesday, November 9, 2010 at 12:35pm
59 weeks

Math  Maya, Tuesday, November 9, 2010 at 12:43pm
Is it how?

Math  Ms. Sue, Tuesday, November 9, 2010 at 12:46pm
If the water lily covers half the pond on one day, then it doubles its size the next day to completely cover the pond.

Math  Maya, Tuesday, November 9, 2010 at 12:52pm
Thank you!!!

Math  Ms. Sue, Tuesday, November 9, 2010 at 12:55pm
You're welcome.
I see I made an error  it should be doubles its size the next week.
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