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Answer Explanations for: ACT April 2013, Form 71G

This document contains detailed answer explanations to every question from the April 13, 2013 ACT, Form 71G. Many Mathematics and English explanations also link to content pages that explain the relevant grammatical and mathematical concepts in greater detail. Please note that this document contains the explanations only, and does not provide the test questions themselves; it is a tool intended for use with a copy of your test that you purchased from the ACT via the Test Information Release (TIR). The following are sample explanations:

English
4) J) To determine which, if any, transition word should be used, make sure to read the previous sentence in addition to the sentence that contains the underlined portion. In this case, no transition is needed because the second sentence follows directly from the first. F and G are incorrect because there is no contradictory relationship between the two sentences, and H is incorrect because the second sentence does not describe something that is “similar” to that which is described in the first.

Mathematics
2) K) To solve for x, begin by multiplying both sides by 3 to get 4(x – 6) = 48. Although you could distribute the 4 into both terms inside the parentheses, it makes more sense to divide both sides by 4, since you are trying to isolate the x rather than attach a coefficient to it. This operation gives you x – 6 = 12 x = 18.

Reading
2) J) “Well” is the narrator’s one-word answer to Brewster’s suggestion that they share a house. Brewster’s reaction in lines 85-89 shows that this word means “no,” since his eyes lost some of their happiness and because he stated that the offer was on the table. Answer choice G could be tempting based on Brewster’s verbal response, but his physical response (lines 85-86) indicates that J is the correct answer.

Science
5) B) To get this question correct, you must look at the units of the left-hand y-axis, which is metric tons. The asterisk next to this unit corresponds with the asterisk beneath the graph which tells you that there are 1,000 kg to every metric ton. Therefore, 500,000 kg is equivalent to 500 metric tons. Of the answer choices offered, B (1987) is closest to 500 metric tons, so C is the correct answer. Continue reading

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