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

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

User Tobiq
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7.9k points

2 Answers

5 votes
he has seven models because 21 divided by 3 is seven
User See
by
7.8k points
3 votes
set the problem up like this:
3•X=21
then divide both sides by 3 and you get:
Sylvester has 7 spaceships
User Yattabyte
by
8.7k points
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