Math Practice Test With Answer Key - Woodland Community College Page 17
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35
36
37< x
−
≤
23. Solve
2
3
10
5
−
+
2
x
2
−
≤
≤
24. Solve
3
4
5
−
<
−
−
<
25. Solve
2
x
10
and
x
3
8
+
<
>
−
x
6
0
or
4
x
16
26. Solve
−
<
−
27.
Solve
( 3
x
) 4
2
2 (
x
) 1
28. A shop advertised a 23% off sale. If a coat originally sold for $256. Find the decrease in
price and the sale price.
°
29. Two angles are supplementary if their sum is
. The larger angle measures three more
180
than twice the measure of a smaller angle. Find the measures of each angle.
30. A 15 inch piece of steel is cut into three pieces so that the second piece is twice as long as
the first piece and the third piece is one inch more than four times the length of the first
piece. Find the length of the each piece.
31. Part of the proceeds from a garage sale amounted to $280 in $5 and $10 denominations. If
there were 20 more $5 bills than $10 bills, find the number of each denomination.
32. How many cubic centimeters of 25% antibiotic solution should be added to 10 cubic
centimeters of 60% antibiotic solution in order to get a 30% antibiotic solution?
33. Find last year’s salary if after a 3% pay raise, this year’s salary is $31,930.
−
=
−
34. Solve
8
x
7
9
+ x
−
=
−
35. Solve
6
9
14
1
+
+
=
36. Solve
9
x
6
12
3
+
=
−
37. Solve
5
x
4
6
x
2
− y
=
38. Find the x-intercept and y-intercept of
. Then graph the equation.
2
x
5
10
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