Solution
Kevin is 17 years younger than his sister, Ntuthuko. In 7 years, Ntuthuko will be 2 times as old as Kevin. How old is Kevin now?
Solution
Solution steps
Translate the problem into an equation:
Solve for
Popular Examples
Harry puts 200.00 into an account to use for school expenses. The account earns 10% interest, compounded annually. How much will be in the account after 9 years?Erica opened a savings account and deposited 2,000.00. The account earns 12% interest, compounded annually. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?The radius of a circle is 17 feet. What is the circle's circumference?Mason invested 65,000 in an account paying an interest rate of 4.6% compounded annually. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach 142,200?The sum of 3 consecutive even numbers is 183