ACT Prep - Practice Test 1.1
C.
A.
B.
D.
E.
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H.
J.
K.
Mr. Dietz is a teacher whose salary is $22,570 for
this school year, which has 185 days. In Mr. Dietz's
school district, substitute teachers are paid $80 per
day. If Mr. Dietz takes a day off without pay and a 
substitute teacher is paid to teach Mr. Dietz's classes,
how much less does the school district pay in salary 
by paying a substitute teacher instead of paying
Mr. Dietz for that day?
A. $42
B. $80
C. $97
D. $105
E. $122
So far, a student has earned the following scores on 
four 100-point tests this grading period: 65, 73, 81, 
and 82. What score must the student earn on the
fifth and last 100-point test of the grading period
to earn an average test grade of 80 for the 5 tests?
F. 75
G. 76
H. 78
J. 99
K. The student cannot earn an average of 80.
The oxygen saturation level of a river is found by 
dividing the amount of dissolved oxygen the river
water currently has per liter by the dissolved oxygen
capacity per liter of the water and then converting to
a percent. If the river currently has 7.3 milligrams of
dissolved oxygen per liter of water and the dissolved
oxygen capacity is 9.8 milligrams per liter, what is 
the oxygen saturation level, to the nearest percent?
A. 34%
B. 70%
C. 73%
D. 74%
E. 98%
A rectangular lot that measures 150 ft by 200 ft iscompletely fenced. What is the approximate length,in feet, of the fence?
F. 300
G. 350
H. 400
J. 700
K. 1,400
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