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Missouri ACT Practice 20

Practice 20 for ACT learners in Missouri: 25 questions, explained answers, and a review routine.

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These questions are for study practice only and are not official exam questions.

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Question 1

1

In a closed container, a reaction changes the substances present. Which measurement is expected to remain constant if no material escapes?

Question 2

2

A paragraph explains how a bridge was repaired. Which sentence would be least relevant?

Question 3

3

A store sells 3 identical pens and 2 identical notebooks for $13, and 1 pen and 2 notebooks for $9. What is one notebook's price?

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