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Challenge Exercises:
Consumer Math |
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Unit 10 > Lesson 8 of 9 |
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Directions: Solve each problem below by entering a whole number, a dollar
amount with cents, or a percent. If your answer is a percent, do NOT enter the
percent symbol. For each exercise below, click once in the ANSWER BOX, type in
your answer and then click ENTER. After you click ENTER, a message will appear
in the RESULTS BOX to indicate whether your answer is correct or incorrect. To
start over, click CLEAR.
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1.
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At Furnace Woods school, 297 of students take the bus. If this
number is 90% of the school enrollment, then how many students are
enrolled?
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2.
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A basketball team won 60% of 125 games played in a season? How
many games is that?
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3.
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On a roofing job, 21 out of 416 shingles had to be rejected for minor
defects. What percent is this? (Round your answer to the nearest
percent.)
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4.
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In a fashion boutique, a coat that regularly sell for $150 is
marked,
"Get 
off." What is the sale price of the coat?
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5.
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David arranges a 36-month car loan of $19,000 at 12.75% annual
interest. Assuming equal monthly payments on principal and interest, how
much will he pay monthly? (Round your answer to the nearest cent.)
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6.
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Gisele put $800 into a savings account that earns 6.5% simple
interest for the first 3 months and 2.25% simple interest for the next 9
months. How much will she have after 1 year?
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7.
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The commission rate paid to a sales rep varies according to the type
of equipment sold. If her monthly statement showed $124,600 in sales and
her total commission was $4,438, then what was her rate of commission to
the nearest tenth of a percent?
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8.
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An interior designer is able to purchase a sofa from a design center
for $1,457. Her client would have to pay $1,880 for the same sofa. What
rate of discount did the designer receive for the sofa?
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9.
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The output of an electrical circuit increases from 19 amperes to 22
amperes. What is the percent increase in the output? (Round your answer
to the nearest tenth of a percent.)
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10.
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The reading on a pressure valve decreases from 36 psi to 30 psi.
What is the percent decrease in pressure? (Round your answer to the
nearest tenth of a percent.)
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Interactive Math Goodies Software
