I’m working on a Mathematics exercise and need support.

- Maria has a 45-minute lunch break. During the break, she will walk 5 minutes to another floor, say “hello” to 5 different friends, spend equal time with each friend, and then taking 5 minutes to walk back to her desk. How long can she spend with each friend?

A. 5 minutes

B. 8 minutes

C. 4 minutes

D. 6 minutes

2. Fred bought 3 shirts and a tie. He remembers each shirt was $25, and the total cost was $85. How much was the tie?

A. $15.00

B. $21.25

C. $12.50

D. $10.00

3. A family has a phone plan that includes 6 GB of data per month. 15 days into a 30-day month, the family has used 2 GB. At that rate, how many GB will the family use for the entire month?

A. 4 GB

B. 6 GB

C. 3 GB

D. 8 GB

4. Pam’s business earns $33,000 per month. Pam’s non-employee expenses are $13,500 per month. If Pam wants $4,500 in profit per month, how many employees can she employ if each employee costs $3,000 per month?

A. 5 employees

B. 2.5 employees

C. 4 employees

D. 6 employees

5. Jamie wants a new smart TV/sound system that costs $1,250. He does not have that much in cash to purchase it, so he uses a credit card with 18% annual interest. He puts $250 down, but he only pays the interest each month on that credit card debt. About how much will he pay in interest over 4 years?

A. $720

B. $1000

C. $800

D. $500

6. A hiker is instructed to carry 2 cups of water for every 10 minutes spent walking. The hiker plans to hike for 60 minutes. How many cups of water should the hiker carry?

A. 12 cups

B. 8 cups

C. 6 cups

D. 10 cups

7. A goal is to get at least 15% of daily calories from polyunsaturated fats found in various nuts, oils, and fish. 1 serving of walnuts (about 15 pieces) has about 21 grams of polyunsaturated fat. Each fat gram has 10 calories. On a 2,100-calorie diet, about what percent of daily calories does 1 serving of walnuts provide?

A. 20%

B. 15%

C. 14.5%

D. 10%

8. A particular extension cord can support up to 8 amps. Martino has an iron whose label states 720 watts, and he wonders if the iron can be plugged into the extension cord. If watts are converted to amps by dividing by 144, how many amps does the iron use?

A. 90 amps

B. 5 amps

C. 18 amps

D. 14 amps

9. A family’s monthly utility costs are $130 for phone, $150 for electric, $105 for cable TV, $65 for water/gas, and $75 for Internet. By eliminating cable, by what percent does the family reduce total utility cost?

A. 25%

B. 15%

C. 33%

D. 20%

10. A golf lesson lasts from 10:00 a.m. – 11:15 a.m. and includes a 15-minute break with equal lengths of time before and after the break. At what time should the break start?

A. 10:30 a.m.

B. 10:45 a.m.

C. 10:25 a.m.

D. 10:40 a.m.

11. A laptop computer consumes about 40 watts of electricity per hour when operating. At $0.20 per kilowatt-hour, how much does a laptop cost to operate for 10 hours?

A. 800 cents

B. 40 cents

C. 8 cents

D. 200 cents

12. A shirt is on sale for 25% off. Sandy paid $7.50 for the shirt. What was the shirt’s regular price?

A. $2.50

B. $8.00

C. $10.00

D. $9.38

13. At the start of a year, the MLS company’s stock initially sold for $40 per share. At the end of the quarter, the company’s stock was selling for $50 per share. What was the stock price’s rate of return (percent increase)?

A. 25%

B. 20%

C. 80%

D. 10%

14. Flo sets a goal of walking 12,000 total steps per day. Flo’s normal routine involves walking 6,000 steps per day. If Flo walks 100 steps per minute, how many extra minutes should she walk per day beyond her normal routine?

A. 90 minutes

B. 60 minutes

C. 50 minutes

D. 40 minutes

15. A restaurant bill for 4 people is $120. The group leaves a tip of $18. What percent tip is that?

- A. 18%

B. 20%

C. 10%

D. 15%16. What is wrong with the following equation: 8 + (6/2) = 17 – 5

A. The 2 sides of the equation do not evaluate to the same value.

B. The slash cannot be used in an equation.

C. The symbology is not standard so this cannot be evaluated for equality.

D. The left side has more numbers in it than the right.17. A mirror should be centered on a wall. The mirror is 36 inches wide and the wall is 18 feet wide. Which equation helps determine the distance x on each side of the mirror?

A. X + 36 + x = 18

B. 3 + x + 3 = 18

C. X + 3 + x = 18

D. X = 18 + 318. After several years of working, Katy has saved $125,000. If she invests that $125,000 in a savings fund that adds 4% each year, about how much will her savings account have after15 years? For this question, ignore compounding and taxes, and assume Katy does not put additional money into savings.

A. $185,000

B. $200,000

C. $175,000

D. $190,00019. Lee put $5,000 into a stock market index mutual fund that grew at an average of 6.5% per year for 10 years. Without any added deposits or withdrawals, about how much is in Lee’s mutual fund account after only 8 years, if you ignore compounding?

A. $8,600

B. $8,250

C. $10,200

D. $7,60020. Renting a car costs $40per day or $750 per month. Renting daily is cheaper for a few days, but after how many days is it cheaper to rent on a monthly basis?

A. 20 days

B. 19 days

C. 18 days

D. 21 days

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