if the product of the integers w , x , y and z is 68 , and if 0 < w < x < y < z , what is the value of w + z ?
24 = 1 * 2 * 3 * 4 so w = 1 , x = 2 , y = 3 , z = 4 w + z = 1 + 4 = 5 answer - b
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