Accuplacer Test Question:

16x - 8 =

1. 8x
2. 8(2x - x)
3. 8(2x - 1)
4. 8(2x - 8)

Answer :C

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If A represents the number of apples purchased at $.15 each and B represents the number of bananas purchased at $.10 each, which of the following represents the total value of the purchases?	A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test?