Algebra Problems…

Algebra Problems…

© 2007 Herbert I. Gross

Set 1By Herb I. Gross and Richard A. Medeiros

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The following five problems are designed to help you make sure that you have internalized the material in this presentation. We suggest that you treat these problems as if they were a test.

© 2007 Herbert I. Gross

After you have worked on these problems check your answers against the ones that are given.

Then read through our solutions andcommentary in the Problem/Solution

PowerPoint Presentation .

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(a) If there are 2.54 centimeters in one inch,

how many centimeters are there in 10 inches?

Problem #1

© 2007 Herbert I. Gross

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(b) If there are 2.54 centimeters in one inch, how many inches are there in 10

centimeters? Round off your answer to the nearest

tenth of an inch.

Problem #1(b)

© 2007 Herbert I. Gross

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(a) If apples cost $0.84 per pound, how much will

5 ¾ pounds of apples cost?

Problem #2(a)

© 2007 Herbert I. Gross

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(b) If apples cost $0.84 per pound, how many pounds can you buy

for $6.16?

Problem #2(b)

© 2007 Herbert I. Gross

nextProblem #3a

© 2007 Herbert I. Gross

(a) A salesperson earns a commission of 17% on all the clothes she sells. How much is her commission if

she sells $615 worth of clothes?

nextProblem #3b

© 2007 Herbert I. Gross

(b) A salesperson earns a commission of 17% on the

selling price of all the clothes she sells. What is the dollar amount of her total sales if she earns a commission of

$391?

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(a) A sale advertises “30% off the marked price”. How much will it cost to buy a

jacket during this sale if the marked price of the jacket is

$125?

Problem #4a

© 2007 Herbert I. Gross

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(b) A sale advertises “30% off the regular price”. How much was the regular price of a jacket if the sale price

was $105?

Problem #4b

© 2007 Herbert I. Gross

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(a) A car travels at a constant rate of a 2/3 of a

mile per minute. How many miles will the car travel in

1/2 of an hour?

Problem #5a

© 2007 Herbert I. Gross

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(b) A car travels at a constant rate of 2/3 of a

mile per minute. How long will it take for the car to

travel 46 miles?

Problem #5b

© 2007 Herbert I. Gross