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If inches is equal to feet, how many feet is a -inch board? A -inch board? A -inch board?

First, you can figure out the relationship between and , then and , then and . With this information, it will be easier to solve for number of feet. Or, you can find the number of inches in one foot first.

 is times . To find how many feet inches is, you would need to multiple by , since is equal to inches. Use this information to help you with the rest of the problem.