Question 1

Twice a number m minus three equals the sum of m and five.

Accepted Answer

2(m-3)=m+5

Answer

2m-3=5m

Answer

2m-3=m+5

Answer

2(m-3)=5m

Question 2

x+5=2(7+x)

Accepted Answer

The number x plus five is two times the sum of seven and x.

Answer

The quotient of x and five is two times seven plus x.

Answer

The number x plus five is two times seven plus x.

Answer

The product of x and five is the sum of two times seven and x.

Question 3

y-18=-3

Accepted Answer

15

Answer

21

Answer

-21

Answer

-15

Question 4

5n=35

Accepted Answer

7

Answer

165

Answer

40

Answer

30

Question 5

3/5x=15

Accepted Answer

25

Answer

5

Answer

9

Answer

75

Question 6

2t+1=3

Accepted Answer

1

Answer

2

Answer

-1

Answer

-2

Question 7

A number is added to 9. The result is then multiplied by 4 to give a new result of 120. What is the number?

Accepted Answer

21

Answer

489

Answer

39

Answer

4(n+9)+120

Question 8

Evaluate ⎪2b – 5⎥ + 1 if b = 1.

Accepted Answer

4

Answer

2

Answer

-8

Answer

-2

Question 9

Solve ⎪c – 5⎥ = 7.

Accepted Answer

{–2, 12}

Answer

{–4, 6}

Answer

Ø

Answer

{–4, 4}

Question 10

Which ratio forms a proportion with 7/14 ?

Accepted Answer

3/6

Answer

5/12

Answer

2/5

Answer

4/9

Question 11

Solve the proportion 2/7 = x/42 .

Accepted Answer

12

Answer

6

Answer

2/7

Answer

1/2

Question 12

Solve 3t-6=t-2

Accepted Answer

2

Answer

1

Answer

-2

Answer

-4

Question 13

4(t+1)=6t-1

Accepted Answer

2 1/2

Answer

1

Answer

0

Answer

1 1/2

Question 14

5(g-2)+g=6(g-4)

Accepted Answer

Ø

Answer

0

Answer

2

Answer

all numbers

Question 15

Solve ax-5=b for a.

Accepted Answer

(b+5)/x

Answer

x(b+5)

Answer

x(b-5)

Answer

(b-5)/x

Question 16

Find the percent of change, original: 10; new: 12.

Accepted Answer

20%

Answer

12%

Answer

18%

Answer

25%

Question 17

A baseball costs $4.00. If the sales tax is 5%, what is the total price?

Accepted Answer

$4.20

Answer

$4.50

Answer

$4.05

Answer

$3.80

Question 18

How many liters of pure acid must be added to 3 liters of a 50% acid solution to obtain a 75% acid solution?

Accepted Answer

3 L

Answer

1.5 L

Answer

4.5 L

Answer

1 L

Question 19

Joe and Janna leave home at the same time, traveling in opposite directions. Joe drives 45 miles per hour and Janna drives 40 miles per hour. In how many hours will they be 510 miles apart?

Accepted Answer

6 hours

Answer

7 hours

Answer

4 hours

Answer

5 hours

Question 20

In Death Valley, California, the highest ground temperature recorded was 94C on July 15, 1972. In the formula c=5/9(F-32), C represents the temperature in degrees Celsius and F represents the temperature in degrees Fahrenheit. To the nearest degree, what is the highest ground temperature in Death Valley in Fahrenheit?

Accepted Answer

201F

Answer

84F

Answer

137F

Answer

34F

Question 21

A concrete mixture is made with 3 parts water and 5 parts cement. If 27 parts of water are being used in the current batch of concrete, how many parts of cement are being used?

Accepted Answer

45

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