Applications of Percent Practice

The price of a calculator is $12.50. The sales tax is 7.5%. How much will you pay for the calculator?

a) $13.40

b) $13.44

c) $13.57

d) 13.61

From net earnings of $740 per month, Lisa Jones must spend $200 for her portion of the rent on an apartment she shares with two friends. What percent of her net income is her rent payment? a. 32% b. 38% c. 27% d. 73%

Factor the polynomial. 48w^7 30w^4 a) 6w^4 (8w^3 5) b) 6w^3 (8w^4 5w) c) w^4 (48w^3 30) d) 6 (8w^7 5w^4)

What is another expression equivalent to 4 (5+x)

What is 1/16 of 480?

Solve the equation - 23x = - 12. A. - 18 B. - 8 C. 8 D. 18

Is this a solution? What makes this a solution is if both equations equal the same answer. 3x+y=11 and x-2y=6 Solution: (4,-1) Is it a solution?

On a very cold morning, it was - 8°F. As the day went on, the temperature rose 2 degrees each hour. Which equation shows the temperature over time? A. y = - 2x + 8 B. y = - 2x - 8 C. y = 2x + 8 D. y = 2x - 8

Write the number 0.72 as a fraction or mixed number.

1. Write a numerical expression for the phrase "twelve groups of the sum of fourteen and 10." 2. Write an algebraic expression for the phrase "five groups of a number added to seventeen."

What is 2x + 8 - 22x = - 2