# MATH105 COLLEGE ALGEBRA (MATH105-2) EXAMS 1 THROUGH 5

5 EXAMS

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SAMPLE QUESTIONS FROM EXAM 1

It costs \$44 per hour plus a flat fee of \$23 for a plumber to make a house call. After
writing an equation for this situation, suppose the total cost to have a plumber come to a
house is \$331. How many hours did the plumber work?
17 hr
7 hr
6 hr
18 hr

How many gallons of a 30% alcohol solution must be mixed with 60 gallons of a 14%
solution to obtain a solution that is 20% alcohol?
27 gal
7 gal
12 gal
36 gal

The manager of a coffee shop has one type of coffee that sells for \$5 per pound and
another type that sells for \$11 per pound. The manager wishes to mix 70 pounds of the
\$11 coffee to get a mixture that will sell for \$7 per pound. How many pounds of the \$5
coffee should be used?
70 lb
105 lb
140 lb
210 lb

SAMPLE QUESTION FROM EXAM 5

The Family Arts Center charges \$22 for adults, \$17 for senior citizens, and \$10 for
children under 12 for their live performances on Sunday afternoon. This past Sunday,
the paid revenue was for 740 tickets sold. There were 46 more children than
265 children
219 children
255 children
256 children

Solutions are only answers. No work is shown

Subjects: College Algebra
Topic: Calculus and Algebra
Level: College / University
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Subjects: College Algebra
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