Homework Help: math

Posted by osmin on Wednesday, January 25, 2012 at 12:40am.

Bobby has 3 times as many model spaceships as his friend
Sylvester does. Bobby has 21 spaceships. How many model
spaceships does Sylvester have ?

math - Damon, Wednesday, January 25, 2012 at 1:28am
21/3 = 7

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