Question 1

A copper block weighing 2274g has a volume of approximately 255 cm${^3}$.  What is the approximate density of copper?

Accepted Answer

8.92 $cm{^3}$

Answer

9.92  $cm{^3}$

Answer

10.34  $cm{^3}$

Answer

9.34  $cm{^3}$

Question 2

A silver coin weighing 231 g has a volume of approximately 22cm${^3}$.  What is the approximate density of silver?

Accepted Answer

10.5 cm$^3$

Answer

12.5 cm$^$

Answer

9.3 cm$^3$

Answer

11.3 cm$^3$

Question 3

A professional cyclist is training for the Tour de France.  What was his average speed in miles per hour if he rode the 120 miles from Laval to Blois in 4.7 hours?  Round your answer to the nearest tenth.

Accepted Answer

25.5 mph

Answer

115.4 mph

Answer

564.0 mph

Answer

70.4 mph

Question 4

A professional cyclist is training for the Tour de France.  What was his average speed in kilometers per hour if he rode the 194 kilometers from Laval to Blois in 4.1 hours?  Round your answer to the nearest tenth.

Accepted Answer

47.3 kph

Answer

118.6 kph

Answer

189.9 kph

Answer

795.4 kph

Question 5

Which of the following would be a better buy than purchasing 4 mangoes for $16?

Accepted Answer

8 mangoes for $28

Answer

one dozen mangoes for $54

Answer

2 mangoes for $10

Answer

half a dozen mangoes for $25

Question 6

Which of the following has the same unit price as purchasing 8 pounds of cheese for $52?

Accepted Answer

4 lbs of cheese for $26

Answer

2 lbs of cheese for $11

Answer

10 lbs of cheese for $70

Answer

6 lbs of cheese for $36

Question 7

Tell whether $\frac{5}{14}$ and $\frac{21}{57}$ are proportional.

Accepted Answer

no

Answer

yes

Question 8

Gabriel got 12 out of 13 problems right on his math test.  On his history test, he correctly answered 48 out of 52 questions.  Were his results on the two tests proportional?

Accepted Answer

Yes

Answer

no

Question 9

Solve the proportion -- $\frac{x}{12 items}$ = $\frac{36 dollars}{3 items}$

Accepted Answer

144

Answer

12

Answer

1

Answer

36

Question 10

Solve the given proportion - $\frac{x dollars}{28 items}$ = $\frac{84 dollars}{7 items}$

Accepted Answer

336

Answer

196

Answer

12

Answer

2.33

Question 11

To make 6 dozen cookies, you must use 2 eggs.  How many eggs are needed to make 42 dozen cookies?

Accepted Answer

14 eggs

Answer

4 eggs

Answer

7 eggs

Answer

126 eggs

Question 12

To make 7 dozen cookies, you must use 3 eggs.  How many eggs are needed to  make 28 dozen cookies?

Accepted Answer

12 eggs

Answer

65 eggs

Answer

15 eggs

Answer

4 eggs

Question 13

A rectangular garden is 45 ft wide and 70 ft long.  On a blueprint, the width is 9 in.  Identify the length on the blueprint.

Accepted Answer

14 in

Answer

7 in

Answer

9 in

Answer

12 in

Question 14

A picture that is 5 in tall and 8 in wide is to be scaled to 1.2 in tall to be displayed on a webpage.  How wide should the picture be for the two pictures to be similar?

Accepted Answer

1.92 in

Answer

7.8 in

Answer

6 in

Answer

.75 in

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