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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:

1.2 hours

Rationale:
Work formula: ¹⁄A +¹⁄B = ¹⁄T Substituting values: ½ + ⅓ = ½ + ⅖ = ⅚ Solve for T: T = ⁶⁄₅ = 1.2 hours
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This question is from Teas Math - Study Sprint which contains 8 questions.

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From Exam
Teas Math - Study Sprint

8 Questions

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Question Details
  • Category: ATI TEAS
  • Subcategory: MATH
  • Domain: MATH - Section.
  • Answer Choices: 4
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