3/4 – 1/2 =
1/4
33% of 300 =
99
3
9
33
99
33*300= 9,900 ….. 9,900/ 100 = 99
25% of 400 =
100
25*400/100 = 100
What is the reciprocal of 6?
6/1 = 1/6
A roast was cooked at 325 °F in the oven for 4 hours. The internal temperature rose from 32 °F to 145 °F.What was the average rise in temperature per hour?
32.03°F/hr
37°F/hr
28.25°F/hr
20.2°F/hr
28.25
145-32= 113
113/4 = 28.25
Your supervisor instructs you to purchase 240 pens and 6 staplers for the nurse’s station. Pens are purchase in sets of 6 for $2.35 per pack. Staplers are sold in sets of 2 for 12.95. How much will purchasing these products cost?
$132.85
240/ 6 = 40
40* 2.35 = 94
6/2 = 3
3*12.95 = 38.85
94+ 38.85 = $132.85
Which of the following percentages is equal to 0.45?
45%
4.5%
0.45%
0.045%
45%
(0.45*100 = 45)
A vitamin’s expiration date has passed. It was supposed to contain 500 mg of Calcium, but it has lost 325 mg of Calcium. How many mg of Calcium is left?
175 mg
(500mg- 325mg = 175mg)
You have orders to give a patient 20 mg of a certain medication. The medication is stored 4 mg per 5-mL dose. How many milliliters will need to be given?
30 mL
25 mL
20 mL
15 mL
25ml
In the number 743.25 which digit represents the tenths space?
3
4
2
5
2
Which of these percentages equals 1.25?
1250%
12.5%
125%
0.125%
125%
(1.25*100=125)
If the average person drinks 8, (8oz) glasses of water per day, a person who drinks 12.8 oz of water after a morning exercise session has consumed what fraction of the daily average?
1/3
1/9
1/7
1/5
1/5
(12.8 / 64 = 0.20. 0.20= 20/100, reduce 20/100 to 1/5)
In your class there are 48 student; 32 students are female. Approximately what percentage is male?
25%
33%
66%
45%
33%
(48-32 = 16………. 16/48= 0.33)
We have an expert-written solution to this problem!
Fried’s rule for computing an infant’s dose of medication is:infant’s dose = ( Child’s age in months x adult dose) / 150If the adult dose of medication is 15 mg, how much should be given to a 2 year-old child?
1.2
2.4
3.6
4.8
2.4
(24months*15mg/150 = 2.4