# Algebra

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?

1. 0.8889 inches

posted by Ms. Sue
2. How did you arrive at that answer?

posted by George
3. Each week it grew 2/3 (0.667) less than the week before.

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

posted by Ms. Sue

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