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A motor company’s stock price was $33.20 on Tuesday. On Wednesday, the price went up $2.45. On Thursday, the price decreased from Wednesday’s price by $1.50. On Friday, the price went up $1.62 from Thursday’s price. Which of the following was the final price on Friday?

A. $35.65

B. $34.15

C. $35.77

D. $34.82

Answer Explanation:

Therefore, the Correct Answer is C.

Q #1: Which of the following is the decimal equivalent of 3/8?

A. 375

B. 3.75

C. 37.5

D. 0.375

Answer Explanation
Q #2: A recipe calls for 6.5 teaspoons of vanilla. 1 teaspoon equals approximately 4.93 mL. Which of the following is the correct amount of vanilla in mL? (Use the conversion rates as provided)

A. 32.05 mL

B. 29.55 mL

C. 34.20 mL

D. 25.80 mL

Answer Explanation

Explanation:

We need to find the mL in 6.5 teaspoons from the given information.

If we let x represent the amount of vanilla in mL, and set a proportion equation with number of teaspoons as numerator and mL as denominator, then:

(frac{6.5}{x} = frac{1}{4.93})

Find the value of x by cross-products

6.5 * 4.93 = x

32.05 = x

Therefore, 6.5 teaspoons equal 32.05 mL.
Q #3: A person weighed themselves at 190 lb. Three months later they weighed themselves at 180 lb. Which of the following is the percent of weight the person lost over 3 months? (Round to the nearest percent.)

A. 8%

B. 9%

C. 11%

D. 5%

Answer Explanation

Explanation: The percentage change in weight is found in three steps below:
Absolute change in weight = final weight - initial weight

Absolute change in weight = (|180 - 190| = |-10| = 10)

Relative change in weight = (frac{absolute change}{initial weight} = frac{10}{190} = 0.0526)

Percent change = relative change * 100%

Percent change = 0.0526 * 100% = 5.26%

The percent change in weight lost is 5.26%, which is about 5%.

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