"Heavy Water" is a name given to a compound used in some nuclear reactors. Heavy water costs about $1,500 per gallon. If a nuclear plant spent $10,500 on heavy water, how many gallons of water were bought?

7 gallons of water were bought

Step-by-step explanation:

This question can be solved using a rule of three.

One gallon costs $1,500. How many gallons cost $10,500?

1 gallon - $1,500

x gallons - $10,500

7 gallons of water were bought

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step-by-step explanation:

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