What number gives the same amount when it is added to 3 as when it is multiplied by 3?
Answer
11⁄2. We need 3x = x + 3, so 2x = 3, or x = 2⁄2 (or 11⁄2).
What number gives the same amount when it is added to 3 as when it is multiplied by 3?
11⁄2. We need 3x = x + 3, so 2x = 3, or x = 2⁄2 (or 11⁄2).