The perimeter of a wheel is 10×3/4cm. What distance will it travel if it makes 5×1/2 rotations

Answer 1

The perimeter of a wheel is the distance around the outer edge. So 1 rotation moves 1 perimeter. So 5.5 rotations would cover a distance of 5.5 rotations or 5.5 perimeters or 5.5 * 10.75 = 59.125 or 59 1/8 cm.