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Great Inheritance Mathematics Term B · Original independent course

Chapter 14 Review

Formative chapter review. Work independently, then reveal the feedback.

Original assessment

1 · MATH-5B-C14-REVIEW-Q01

4 identical items cost $76. Find the price per item with units.

Show worked answer (after attempting)
Answer: $19/item

76 ÷ 4 = 19 dollars per item.

2 · MATH-5B-C14-REVIEW-Q02

A receipt shows $19 per item. How many items can $ 76 buy at that price?

Show worked answer (after attempting)
Answer: 4

76 ÷ 19 = 4 items.

3 · MATH-5B-C14-REVIEW-Q03

A pump delivers 20 L/min for 5 min. Compute liters transferred and label units.

Show worked answer (after attempting)
Answer: 100 L

20 L/min × 5 min = 100 L.

4 · MATH-5B-C14-REVIEW-Q04

A pump transferred 100 L in 5 min. What was its constant rate?

Show worked answer (after attempting)
Answer: 20 L/min

100 ÷ 5 = 20 L/min.

5 · MATH-5B-C14-REVIEW-Q05

A press prints 21 pages per minute. How many minutes are needed for 63 pages?

Show worked answer (after attempting)
Answer: 3 min

63 ÷ 21 = 3 minutes.

6 · MATH-5B-C14-REVIEW-Q06

A press has 63 pages remaining and only 2 minutes. Must its rate exceed 21 pages/min?

Show worked answer (after attempting)
Answer: Yes

63 ÷ 2 > 21.

7 · MATH-5B-C14-REVIEW-Q07

A refill station pours 22 L each minute into empty containers for 4 minutes. Find total liters.

Show worked answer (after attempting)
Answer: 88 L

22 × 4 = 88 L.

8 · MATH-5B-C14-REVIEW-Q08

An identical-rate station doubles its operating time from 4 to 8 minutes. How does output change?

Show worked answer (after attempting)
Answer: Doubles

At constant rate, quantity is directly proportional to time.