need assistance with whole numbers assignment
5-2Practical Problems
1. Answer
Solve the following problems involving combined operations.
1. (7 + 9) × 6 =
2. 2 × (22 + 34) ÷ 8 =
3. 25 × (8 + 5) − 16 =
4. (154 − 72) × 43 + (108 − 96)2 =
5. 53 ÷ 25 + (154 − 39) =
6. 5,496 − 553 + (6 × 55) – 72 =
2. A recreational therapist (TR) at a long-term care facility buys 2 bingo games at $27 each, 12 puzzles at $5 each, 14 jars of paint at $7 each, 20 paint brushes at $2 each, and 24 packages of construction paper at $7 each. How much did he spend?
3. A licensed practical nurse (LPN) is calculating his patient’s oral intake. If the patient had three large glasses of water containing 240 milliliters (mL) each, two bowls of broth at 120 mL each, three jars of jello at 100 mL each, and four cups of tea at 180 mL each, what amount should be recorded for oral intake on the patient’s intake and output (I & O) record?
4. Because of a shortage of workers, a radiologic technologist is working overtime. She gets overtime pay for any hours over 8 hours per day. How many hours of overtime did she work in 1 week?
DAY OF WEEK | HOURS WORKED |
Sunday | 0 |
Monday | 13 |
Tuesday | 10 |
Wednesday | 6 |
Thursday | 12 |
Friday | 14 |
Saturday | 11 |
TOTAL | 66 |
5. A surgical technician (ST) is ordering instruments for the operating room and needs 12 hemostats. One supplier is offering a dozen hemostats for $444, and another supplier charges $35 each for hemostats. If the hemostats are of equal quality, which is the better buy?
6. A phlebotomist does venipunctures to obtain blood samples from patients. One morning he fills 6 vacuum tubes with 12 milliliters (mL) of blood, 3 vacuum tubes with 8 mL of blood, 12 vacuum tubes with 15 mL of blood, and 5 vacuum tubes with 10 mL of blood. How many mL of blood did he obtain from all of his patients?
7.
A dental laboratory assistant (DLT) has a 3-pound (lb) can of alginate to make impressions. If she uses 2 ounces (oz) of alginate for each impression she makes, how many oz of alginate are left in the can after she makes 11 impressions? (Hint: There are 16 oz in 1 lb.)
8. A dietetic assistant at a weight loss clinic calculates the number of calories her patients should eat per day. She multiplies the patient’s ideal weight by 15 calories if the patient is active and by 20 calories if the patient is very active. She then determines the patient’s age and subtracts the number of calories shown on the chart from this daily total of calories to obtain the final correct amount of calories per day.
AGE IN YEARS | CALORIES TO SUBTRACT |
25 to 34 | 0 |
35 to 44 | 100 |
45 to 54 | 200 |
55 to 64 | 300 |
65 and above | 400 |
1. Mr. Biaski is a very active 47-year-old man who should weigh 168 pounds. How many calories should he eat each day?
2. Mrs. Linderman is an active 39-year-old woman who should weigh 142 pounds. How many calories should she eat each day?
3. Mrs. Reno is a very active 70-year-old woman who should weigh 127 pounds. How many calories should she eat each day?
9 An emergency medical technician (EMT) is giving a heart attack victim cardiopulmonary resuscitation (CPR). Using a barrier device, he gives 2 breaths and 30 compressions in a 15-second period.
A. How many breaths does he give in 1 minute?
B. How many chest compressions does he give in 1 minute?
9. A certified biomedical equipment technician (CBET) earns $27 per hour. She is paid double for any hours over 40 hours per week. If she works 49 hours in one week, what is her total pay?
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