10
QuizMultiple Choice

Adding and Subtracting Matrices — Unit test

Question 10 • GA-Advanced Algebra: Concepts and Connections CR

Rangsey is doing a science experiment on evaporation. He fills a container of water and measures the height of the water in the container as 24.5 centimeters. After 15 days, the height of the water is 0.8 of its original height. What is the height of the water in the container after 15 days?

Answer
A
0.76 centimeter
B
1.96 centimeters
C
7.6 centimeters
D
19.6 centimeters

Explanation

After 15 days, the water is 0.8 times its original height. Calculate 24.5 × 0.8 = 19.6 centimeters, so the water is 19.6 centimeters high. Choice D, 19.6 centimeters, is correct.

AI-written and checked against the verified answer.

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