Unit 10 | Lesson 5 Lesson Checkpoint: Show What You Know Question Navigator Choose the answer. 2. (1 pt) Which answer is the most reasonable estimation? Gwen owns an oil-change station. She estimates that she uses 18 cases of motor oil a day. Each case has 24 one-quart bottles of motor oil. About how many quarts of oil does Gwen use in a day? A. about 600 B. about 400 C. about 200 D. about 40 Question Resources
The answer is B.about 400, because if you multiply 18 by 24 you get the answer without rounding, and that answer would be 434; once 434 is rounded to the closest possible answer, you get that the answer, which is, as stated before, B. about 400.
