MEDICAL MEASUREMENTS MATH WORKBOOK

On the ruler below, the next biggest line (halfway between the two numbers) divides 1 inch into two equal parts. Therefore, it marks an inch. fig031. 1 we have 1 of the 2 equal parts. 2 the inch is divided into 2 equal parts. The 2 equal parts are both an inch long (see below). fig032 ................
................