c. Solve for X:
5X = 15
d. Refer back to step a. to find the units of X. The units for X in this problem is
tablets; therefore, the answer is 3 tablets.
The most common mistake is the failure to label units. Labeling units will
ensure that corresponding units of the proportion are the same.
a. When rounding answers to the nearest tenth, you must take your calculation
out to the hundredth place and then round to the tenth place.
EXAMPLE: 3.91 = 3.9
b. When rounding answers to the hundredth place, you must take your
calculation out to the thousandth place and then round to the hundredth place.
EXAMPLE: 3.846 = 3.85
c. DO NOT ROUND UNTIL THE LAST STEP OF YOUR CALCULATION!!!!
Round answers to the nearest tenth.
a. Mellaril 100 mg/tab
b. Gantrisin 0.5 Gm/cc
c. Demerol 50 mg/cc
d. Dilantin 100 mg/cc
e. Valium 2.5 mg/tab
f. Ampicillin 0.5 Gm/tsp
g. Lincocin 500 mg/0.5 cc