Icant do this by my self a nearby pool holds 30,000 gallons. the pool has been filled with 19,500 gallons of water. if the variable w stands for the amount of additional water the pool can hold, which of the following units could apply to that variable? a. bushels b. pounds c. tons d. gallons

D. Gallons

Your first hint is to look at what unit the problem itself uses. If the problem refers to similar quantities with a unit, chances are, that unit is correct answer (unless it specifically says otherwise). However, if you want to be sure your answer is correct, ask yourself what the quantity is. Is the quantity a measurement of weight, distance, mass, or volume? Since we are dealing with pool water, it would be volume. The measurement of any liquid is typically volume (unless specified otherwise). Pounds and tons measures weight. While bushels can measure volume, it is more commonly used to measure mass or weight. Gallons is known universally for measuring volume, so your best bet would be to use gallons. Hope this helps!

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