In a three-digit number, the hundreds digit is twice the tens digit and half of the units digit. If the numbers are reversed, the new number is 32 less than twice the original number. Find the original number.

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)