Prealgebra 2e

# Practice Test

Prealgebra 2ePractice Test

### Practice Test

In the following exercises, convert each percent to a decimal a simplified fraction.

423.

$24% 24%$

424.

$5% 5%$

425.

$350% 350%$

In the following exercises, convert each fraction to a percent. (Round to $33$ decimal places if needed.)

426.

$7 8 7 8$

427.

$1 3 1 3$

428.

$11 12 11 12$

In the following exercises, solve the percent problem.

429.

$6565$ is what percent of $260?260?$

430.

What number is $27%27%$ of $3,000?3,000?$

431.

$150%150%$ of what number is $60?60?$

432.

Yuki’s monthly paycheck is $3,825.3,825.$ She pays $918918$ for rent. What percent of her paycheck goes to rent?

433.

The total number of vehicles on one freeway dropped from $84,00084,000$ to $74,000.74,000.$ Find the percent decrease (round to the nearest tenth of a percent).

434.

Kyle bought a bicycle in Denver where the sales tax was $7.72%7.72%$ of the purchase price. The purchase price of the bicycle was $600.600.$ What was the total cost?

435.

Mara received $31.8031.80$ commission when she sold a $795795$ suit. What was her rate of commission?

436.

Kiyoshi bought a television set on sale for $899.899.$ The original price was $1,200.1,200.$ Find:

1. the amount of discount
2. the discount rate (round to the nearest tenth of a percent)
437.

Oxana bought a dresser at a garage sale for $20.20.$ She refinished it, then added a $250%250%$ markup before advertising it for sale. What price did she ask for the dresser?

438.

Find the simple interest earned after $55$ years on $30003000$ invested at an interest rate of $4.2%.4.2%.$

439.

Brenda borrowed $400400$ from her brother. Two years later, she repaid the $400400$ plus $5050$ interest. What was the rate of interest?

440.

Write as a proportion: $44$ gallons to $144144$ miles is the same as $1010$ gallons to $360360$ miles.

441.

Solve for a: $12a=−156512a=−1565$

442.

Vin read $1010$ pages of a book in $1212$ minutes. At that rate, how long will it take him to read $3535$ pages?

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