In a three-digit number, the tens digit is equal to the sum of the hundreds and the units digit. the hundreds digit is three more than the units digit. if the digits are reversed, the new number is 11 less than half the original number. find the original number. SOMEONE HELP

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8