This week, the Zweezam Factory sold 32 parts altogether. They sold half as many Zweedulls as Zweenubs and one-fifth as many Zweebuds as Zweedulls. How many of each type did the factory sell?
1 Answer
Explanation:
Problems like this are confusing because it's hard to find a good way to express the number of each kind of parts.
It's really helpful to describe these numbers all in terms of the same variable,
So let
One half of
One fifth of
The sum of all these parts equals
Solve for
1) Combine like terms
2) Divide both sides by
•
• If
then the number of
• If the number of
then the number of
Answer
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