A student saves Rs.12 at the end of the first week and goes on increasing his saving Rs.4 weekly. After how many weeks will he be able to save Rs.2100?

Q: A man borrows P15, 000 from a loan firm. The rate of simple interest is 10 %, but the interest is to…

A: Given problem Given that   A man borrows P15, 000 from a loan firm. The rate of simple interest is…

Q: Two students appeared at an examination. One of them secured 20 marks more than the other and his…

A:

Q: Truck value: 64000  if the truck retained 60 percent of its value every year what is the value of…

A:

Q: Find the three-digit number that increases by 30% when each of its digits are increases by 1.

A:

Q: A car purchased for $25,700 depreciates at a constant rate of 3% each year. How long will it take…

A: given P=25700r=-3%=-3100=-0.03 (-ve sign because of depreciates)A=P(1+r)t A=25700(1-0.03)t…

Q: new homeowner purchases furniture worth $10,000, which depreciates at a constant rate of 7% every 2…

A: NOTE: Refresh your page if you can't see any equations. . the initial worth is $10000 sot ake…

Q: A car is worth $16,500 when it is three years old and $12,000 when it is six years old. Solve for…

A: to find:- Depreciated amount after each year.

Q: The value of business, currently priced at 100000 Rial, is expected to increase by 20% a year. After…

A: The exponential growth is defined by the equation, , where r is the growth rate, P0 is the initial…

Q: Two students appeared at an examination .One of them secured 9 marks more than the other and his…

A: Given, Two students appeared at an examination. One of them secured 9 marks more than the other…

Q: Ken68 has $260,000 and his investment goal is to have it accumulate to $287,000. Ken68 is going to…

A: In this question we have to find time to achieve his investment goal.

Q: e profit increases by 26% every 6 years.

A: Initial profit = $208 Increase rate after 6 years = 26%

Q: Raghav buys a shop for Rs.1,20,000.He pays half of the am ount in cash and agree to pay the balance…

A: first we calculate the a.p terms .and then calculate sum of the 12th installments

Q: number of students attending summer school at a local community college has been decreasing each…

A: Given query is to find the number of students after 5 years.

Q: How long will it take to pay off a student loan of $20,000 if the interest paid on the principal is…

A:

Q: A man owns stock valued at $2100. One day the stock drops by 7%, and then gains the same percentage…

A:

Q: Olivia puts 100 dollars into a fund and continuously does so at the end of each month. Although, the…

A: It will form an arithmetic progression (A.P.) with first term a1=100 and common difference is d=5.…

Q: The value of a car decreases by 25% each year. The price of a new car is N$40 000. What is its value…

A:

Q: Alex invests 2000 in a company's stock, after a year her stock increase to 2500, what rates of…

A: Given:   Money invested by Alex in company stock = $2000.   After a year, Alex stock increased to…

Q: A new laptop computer costs $15pp. The value of the computer decreases bye 22%each year. How much is…

A: P(t)=P0(1-r)t P0=Initial pricer=rate of decreaset=time

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.