3.49u + 3.79p = 301.65
B) u + p = 850
3.49u + 3.79p = 3,016.50
C) u + p = 850
3.49u + 3.79p = 3,026.50
D) u + p = 3,016.50
3.49u + 3.79p = 85015 .Of the 784 juniors and seniors at Abingdon High School, 319 are currently enrolled in one
or more Advanced Placement (AP) courses. Of these AP students, 75 are enrolled in AP
Biology, 58 are enrolled in AP U.S. History, and 22 are enrolled in both AP Biology and
AP U.S. History. Approximately what percent of the juniors and seniors at Abingdon High
School are enrolled in AP courses other than Biology and U.S. History?
A) 17%
B) 27%
C) 37%
D) 47%
16 .To receive a B in his chemistry class, Mateo needs to earn an average score from 80 to
89, inclusive. His grade is based only on 3 tests. The highest possible score on each of
these tests is 100 points. He scored 79 on his first test and 95 on his second test. If y
represents his score on the third test, which of the inequalities below shows all values of y
that would earn Mateo a B in his chemistry class?
A) 66 ≤ y ≤ 93
B) 66 ≤ y ≤ 100
C) 80 ≤ y ≤ 89
D) 80 ≤ y ≤ 93
17.
A gardener prepares a mixture of fertilizer with concentration, by volume, equal to Y. It is
prepared by mixing a volume of fertilizer given by A with a volume of water given by W.
The expression above represents the mixture described. What physical quantity does the
term A + W represent in the equation above?
A) The volume of the mixture
B) The mass of fertilizer added
C) The volume of the fertilizer in the mixture
D) The concentration of the fertilizer