Bobby has 3 times as many model spaceships as his friend Sylvester does. Bobby has

QuestionsCategory: MathBobby has 3 times as many model spaceships as his friend Sylvester does. Bobby has
Lisa Howell asked 8 months ago
Bobby has 3 times as many model spaceships as his friend
Sylvester does. Bobby has 21 spaceships. How many model
spaceships does Sylvester have ?

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