The diameter of the bicycle is 22 inches. About how far will the tire go in one rotation?
Choice A: 7 inches
Choice B: 11 inches
Choice C: 34 inches
Choice D: 69 inches
The diameter of the bicycle is 22 inches. About how far will the tire go in one rotation ?
$$\small{\text{One Rotation $ = \pi \cdot d = 3.14\cdot 22\ \rm{inches}= 69$}}$$
Choice D is okay!