Donald S. answered 06/02/16
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A percentage is a part divided by the whole, and multiplied by 100.
In this case, the part is the down payment and the whole is the cost of the new home. so, that means we have
39,000/260,000 = 0.15
0.15 x 100% = 15%
So the down payment was 15 percent of the home's cost.