20 Questions

Questions and Answers

- 1.3x + 3 = 18 x = ?
- A.
3

- B.
4

- C.
5

- D.
6

- 2.
- A.
0

- B.
1

- C.
2

- D.
3

- 3.
- A.
0

- B.
1

- C.
2

- D.
3

- 4.(1,000,000)
^{1/2 }– 999 = x^{3 x= ?}- A.
0

- B.
1

- C.
2

- D.
4

- 5.8x / 4x = x
^{1/2 x = ?}- A.
0

- B.
1

- C.
2

- D.
4

- 6.Use the formula
*I = prt*to solve the following problem:*I*= Interest*p*= principal*r*= rate*t*= time Find the simple interest for a loan of $1,000 with an interest rate of 11.5% for a period of 2 years. (When you enter the interest rate into the formula, enter it as a decimal, not a percent.) - 7.Suppose that the monthly expenses of a factory are given by:
*E = pm + R*. Use this formula to solve the following problem:*E*= monthly expenses*p*= number of items made each month*m*= cost of the raw materials to make one item*R*= Monthly Rent Suppose the rent on a factory is $300 per month and it makes 50 items each month. If the raw materials to produce one item cost $10, what are the total monthly expenses? - 8.Use the formula V =
*lwh*to solve the following problem:*V =*volume of a rectangular solid*l =*length*w*= width*h =*height How long would a box need to be if V = 270 cm^{3},*w*= 27 cm, and*h*= 10 cm?- A.
1 cm

- B.
5 cm

- C.
10 cm

- D.
25 cm

- 9.Solve for y, in the following system of equations: 2x – y = 4 x + 2y = -3
- 10.Solve for x, in the following system of equations: 2x – y = 4 x + 2y = -3
- 11.Solve for y, in the following system of equations: 2y – x = 1 2x + y = 8
- 12.Solve for x, in the following system of equations: 2y – x = 1 2x + y = 8
- 13.[(-1/4)
*x*] + 6 = 2 x = ? - 14.9 = [(½ )
*x*] + 3 x = ? - 15.3x + 39 = 60 x = ?
- 16.60 – 12x = 18x x = ?
- 17.A dragon ran 3 miles in 8 seconds. How many miles could the dragon run in 24 seconds?
- A.
4 miles

- B.
8 miles

- C.
9 miles

- D.
10 miles

- 18.A car travels 51 miles in 3 hours. How far would it travel in 5 hours?
- A.
20 miles

- B.
40 miles

- C.
60 miles

- D.
85 miles

- 19.Choose the inequality equations, below, that describe the following statement: There were still more than twenty scarecrows in the field, after half were scared away.
- A.
X/2 > 20

- B.
X > 40

- C.
X - 10 = 30

- 20.Choose the inequality equation, below, that describes the following statement: The number of dogs in the pound was less than 10.
- A.
X > 10

- B.
X < = 10

- C.
X < 10

- D.
X = 10