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Wgu D771 Quantitative Literacy Comprehensive Exam Study Guide Complete Questions And Solutions

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WGU D771 QUANTITATIVE LITERACY COMPREHENSIVE EXAM STUDY GUIDE COMPLETE QUESTIONS AND SOLUTIONS

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WGU D771 QUANTITATIVE LITERACY
COMPREHENSIVE STUDY GUIDE WITH
SOLUTIONS


◉ What is a unit rate?
Answer: A rate with denominator of 1 (e.g., $2 per slice).


◉ What is a proportion?
Answer: An equation showing two ratios are equal.


◉ How do you solve a proportion?
Answer: Cross multiply and divide.


◉ Example: 3/4 = x/12. Solve for x.
Answer: x = 9.


◉ How do you find the perimeter of a rectangle?
Answer: 2 × length + 2 × width.


◉ Example: Rectangle 10 ft by 14 ft perimeter?
Answer: 48 ft.

, ◉ What is the circumference of a circle?
Answer: Distance around a circle.


◉ Formula for circumference using diameter?
Answer: C = π × diameter.


◉ Formula for circumference using radius?
Answer: C = 2πr.


◉ Approximate value of π?
Answer: 3.14.


◉ What does ≈ mean?
Answer: About equal to.


◉ What is a conversion factor?
Answer: A ratio that compares two equivalent values in different
units.


◉ How do you convert 150 minutes into hours?
Answer: 150 × (1 hr / 60 min) = 2.5 hours.

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