Homework Help: Algebra

Posted by George on Wednesday, October 3, 2012 at 10:15pm.

A bean sprout grows 3 inches in its first week, 2 inches in its second week, and 1.333 inches in its third week. If the sprout's growth follows this pattern, how much will the bean sprout have grown in its fourth week?

Algebra - Ms. Sue, Wednesday, October 3, 2012 at 10:21pm
0.8889 inches
Algebra - George, Wednesday, October 3, 2012 at 10:39pm
How did you arrive at that answer?
Algebra - Ms. Sue, Wednesday, October 3, 2012 at 10:44pm
Each week it grew 2/3 (0.667) less than the week before.

3 * (2/3) = 2
2 * (2/3) = 1.3333

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