If Caleb only has metric wrenches and needs a 16 inch wrench, how could he use the chart to choose the best fit? 5 O Caleb should use the 5 millimeter wrench because that would be closest to 16 inches since they both have 5. O Caleb should divide 5 by 16 to get a decimal of 0.3125. Then, he should try the 7 millimeter and 8 millimeter wrenches because 0.2751 < 0.3125 < 0.3144. O Caleb should divide 16 by 5 to get a decimal of 3.2. Then, he should try the 8 millimeter and 9 millimeter wrenches because 0.3144 < 3.2 < 0.3537. 1 O Caleb should use a 20 millimeter wrench because 4 millimeters S 16 SO 4 millimeters x 5= 20 millimeters s 1615 . 16 16: