Derek was 4 years 2 months old when he enrolled school. Today he is 11 years 1 month old. For how long has he been in school in terms of lustrum?

Q: You go to the doctor and he gives you 15 milligrams of radioactive dye. After 12 minutes, 4…

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Q: 20. It takes Terry 2 hours longer to do a certain job than it takes Tom. They worked together for 3…

A: Let t time required for tom to complete it. Follow step 2nd .

Q: You invested $6000 between two accounts paying 5% and 8% annual interest, respectively. If the total…

A:

Q: You go to the doctor and he gives you 13 milligrams of radioactive dye. After 24 minutes, 5…

A: Let amount of dye in the body of person at any time t is given by A(t). Then, as the person arrived…

Q: Five years ago, John age was half of the age he will be in 8 years. How old he is now?

A: let the John's present age be:= x years;   Five years ago:                                   Since 5…

Q: The battery of a cell phone is enough for 9 hours when the phone is off and 1.5 hours when the phone…

A: Let the battery of the cell phone lasts 9 hours when the phone is off. The battery lasts 1.5 hours…

Q: On the Fourth of July Sam took a red pill at 8 A.M. and a green pill at noon. The next day he took a…

A: Given that, On the Fourth of July Sam took a red pill at 8 A.M. and a green pill at noon. Also given…

Q: Xayine is paid $24 per hour for a standard 40 hour work week. He earns time and a half for every…

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Q: Gabriel is 46 years younger than krystal.5years ago, krystal's age was 3times Gabriel's age. How old…

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Q: Derek was 4 years 2 months old when he enrolled school. Today he is 11 years 1 month old. For how…

A: Lustrum is a period of 5 years. Since Derek was enrolled in School when he was 4 yrs 2 months old,…

Q: A pet store offered a baby monkey for sale at $1.25. The monkey grew, and the next week it was…

A: The amount of baby monkey is $1.25; the next week it is offered at $1.89.Then, raised to $5.13, then…

Q: Express your answer as a mixed number.   Rita makes sidewalk chalk 2 days a week. Each of those…

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Q: When running a half marathon (13.1 miles), it took Dustin 8 minutes to run from mile marker 1 to…

A: Given: From mile marker 1 to mile marker 2: Required time = 8 minutes From mile marker 2 to mile…

Q: A monthly salary is $2299. It is given an increase of 7.1%. After the first increase, it receives a…

A: Given, The monthly salary before the increment is $2299. After the first increase of 7.1%, monthly…

Q: takes George 3 minutes to read 300 words. If each page in a book that he is reading has 750 words,…

A: Please refer to the image below

Q: 16 Stuart OWNS a window washing businesS. He caN wash the windows ON 9 houses IN 4 houRS. At this…

A: Given that Stuart can wash window on 9 houses in 4 hours He can wash windows on 1 house in 4/9 hours…

Q: You invested $4000 between two accounts paying 2% and 8% annual interest, respectively. If the total…

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Q: It takes a pump 10 minutes to move 55 liters of water up the hill.Using the same pump under the same…

A: We need to find the amount of water move in 22 minutes

Q: In a garrison of 30 men there was food provision for 10 days if 20 more men arrived then find the…

A: Given in a garrison of 30 men there was food provision for 10 days. To find the number of days the…

Q: A flight from Seattle to New York takes 5 ¼ hours.  The pilot tells us that we are have travelled…

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Q: ou can choose a prize of either a $20,000 car or one penny on the first day, doubl hat (2 cents) on…

A:

Q: to show the number of oranges Rick has. Then se Rick has 3 to Maria. He gives 5 to Paul. How…

A: Addition and Subtraction: The process of combining two or more items is known as addition. In…

Q: The price of a ring has been reducedby 25%. The new, reduced price is $525.  What was the price of…

A:

Q: A frog is in a well 12 feet deep, each day the frog climbs up 3 feet, and each night it slips back 2…

A: Depth of well = 12 feet To calculate: Number of days required by frog to get out of the well  Given:…

Q: You rent an apartment that costs $1400 per month during the first year, but the rent is set to go up…

A: We can solve by arithmatic progression tn= a+(n-1)d where tn= no of term a= 1st term n=6 d= common…

Q: The first image goes with the second image, so the second image is which is what I am looking for…

A: Here, the random variable x is the height of a certain species of tree. It is given that x~…

Q: If Jim and Jerry work together they can finish a job in 4 hours. If workingalone takes Jim 10 hours…

A:

Q: l asked a grandfather about his age. He told me: My grandson age in days equal to the age of my son…

A:

Q: Kevin is John's father. Kevin is 51 years old. Three yea ago, Kevin was four times as old as his son…

A: According to the guideline we should able to do only first question at a time Please repost separate…

Q: 6. Mrs. Smith balances the company books in 8 hours. It takes her assistant 12 hours to do the same…

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Q: Suppose you are driving. You notice that after driving for 2 hours, you are 135 miles from Seattle.…

A: Given         We notice that after driving for 2 hours, we are 135 miles from Seattle. We continue…

Q: The doctor advised Peter to take the medicine after every 50 minutes 1800 seconds. How many times…

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Q: new car is purchased for 16500 dollars. The value of the car depreciates at 5.75% per year. What…

A:

Q: Me.paul drove from Drake to clay and back. From Drake he drove 312 miles took a break and then drove…

A:

Q: A certain amount of money was invested at 8% simple interest and after 9 months an equal amount was…

A:

Q: Last year, Karen had $30,000 to invest. She invested some of it in an account that paid 5% simple…

A: Total invested amount =$30000Let us take x amount invested at 5% simple interest and rest 30000−x at…

Q: A thermometer is taken from a room where the temperature is 23C to the outdoors, where the…

A: According to the given information, A thermometer is taken from a room where temperature is 23C to…

Q: Mr. Conway has two part-time jobs. He makes $305 a week a other. February has exactly 4 weeks. So,…

A: Given, Mr. Conway earns from two part-time jobs as he makes $305 a week at one and $296 a week at…

Q: For a Saturday service, if the weather is sunny, you will take in $9,000; if the weather is cloudy,…

A:

Q: Melly is three times as old as Ador. In 5 years, Melly will be twice as old as Ador. How old is…

A: Let Ador is x years old. So Melly is 3x years old. After 5 years Ador will be (x+5) years old  and…

Q: It takes Yvez 6 hours to change the oil in his car. Sarah takes 13 hours to complete this same job,…

A: Given problem is :   It takes Yvez 6 hours to change the oil in his car. Sarah takes 13 hours to…

Q: Last year, Kala had  $30,000  to invest. She invested some of it in an account that paid  8%…

A:

Q: 18. For each hour that Mike practices his typing job, the speed increases by 5 words per minute. If…

A: His speed during the first hour was 40 words per minute. The speed increases by 5 words per minute.…

Q: Monthly, Juan's net earnings are $8,000, and expenses are $7,000. If Juan saves the difference, how…

A:

Q: A new car is purchased for 16600 dollars. The value of the car depreciates at 9.75% per year. What…

A: Given: A new car is purchased for 16600 dollars. The value of the car depreciates at 9.75% per year.…

Q: At 12:00 noon, a thermometer 60 degrees Celsius is taken outside where the air temperature is 24…

A: For the rate of change of temperature is we have, Here, Then, from the above equation,

Q: There is 800L of water in a tank. At the top, a tube pours 25L per minute into the tank, and at the…

A: Initial total water in tank = 800 L  water pours by tube from top = 25 L per minute  water leaving…

Q: 4.) Malachi ran a 3.1 mile race in 18 minutes. a. What is Malachi's average pace in minutes per…

A:

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.