Practice Question
A homeowner has hired two people to mow his lawn. If person A is able to mow the lawn in 2 hr by herself and person B is able to mow in lawn in 3 hr by himself. Which of the following is the amount of time it would take for both person A and B to mow the lawn together?
Answer Choices:
Correct Answer:
2.5 hours
Rationale:
📌 Person A mows in 2 hrs → Rate = 1/2 lawns per hour
→Person B mows in 3 hrs → Rate = 1/3 lawns per hour
✍Combined rate
= 1/2 + 1/3 = (3 + 2) / 6 = 5/6 lawns/hour
Time = 1 ÷ (5/6) = 6/5 = 1.2 hours
✅=1.2 hours
Want to practice more questions like this?
This question is from ATI TEAS 7 Maths Practice Test which contains 6 questions.
More Questions from This Exam
How many yards are in 27 feet?
Answer Choices:
A. 3 yards
B. 18 yards
C. 6 yards
D. 9 yards
A sweater that normally sells for $95 is marked 30% off. Which of the following estimates the sale price of the sweater?
Answer Choices:
A. $67
B. $30
C. $22
D. $63
A recipe calls for 1.5 teaspoons of vanilla. 1 teaspoon equals approximately 4.93 mL. Which of the following is the correct amount of vanilla in mL?
Answer Choices:
A. 6.33 mL
B. 12.325 mL
C. 7.395 mL
D. 0.797 mL
One gallon of cleaning solution requires 10 oz of ammonia. If the maintenance department needs 51 gallons of solution to clean all of the floors, how much ammonia is needed?
Answer Choices:
A. 510 gallons
B. 51 gallons
C. 510 oz
D. 51 oz
Twelve less than thrice a number. Which of the following translates the phrase above into a mathematical expression?
Answer Choices:
A. 3x - 12
B. 12 - 3x
C. 12x - 2
D. 3x + 12
Question Details
- Category: ATI TEAS
- Subcategory: Mathematics Exam(s)
- Domain: ATI TEAS 7 Math~2023
- Answer Choices: 4