Question
The product of two positive numbers is 3920. If one
number is five times the other, then the sum of the two numbers is:Solution
Let one of the positive numbers be x. The other will be 5x Now, 5x × x = 3920 x2 = 3920 ÷ 5 = 784 Therefore, x = √784 = 28 Sum of the two numbers = 140 + 28 = 168
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