WGU D771 QUANTITATIVE LITERACY UPDATED ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS FULL SOLUTION

WGU D771 QUANTITATIVE LITERACY
UPDATED ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS FULL SOLUTION


◉ How do you multiply fractions? Answer: Multiply numerators
together and denominators together.


◉ How do you divide fractions? Answer: Multiply by the reciprocal
of the divisor.


◉ How do you add/subtract fractions? Answer: Rewrite with a
common denominator, then add/subtract numerators.


◉ What does percent mean? Answer: Per hundred.


◉ How do you convert a decimal to a percent? Answer: Multiply by
100. (0.25 → 25%).


◉ How do you convert a percent to a decimal? Answer: Divide by
100. (75% → 0.75).


◉ How do you find 10% of a number quickly? Answer: Move the
decimal one place to the left.

, ◉ Example: What is 25% of 200? Answer: 200 × 0.25 = 50.


◉ What is a ratio? Answer: A comparison of two numbers (e.g., 2:3).


◉ What is a rate? Answer: A ratio with different units (e.g.,
miles/hour).


◉ 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.