Raphael works 12 hours each week. He earns £4 per hour. Tom saves 1/3 of earnings each week. How many weeks does it take Tom to save £80?

You invested $1500 in a bank account for five years I received $150 in interest. What was the annual simple interest rate for the account?

What's is the value of the expression shown when n=6 8 less than the quotient of 42 and a number.

A store estimates that 14 out of 120 people return items to the store. to the nearest thousandth, find the rate of customer returns.

Find two numbers that round tom15.5 rounded to the nearest tenth

A culture started with 4,000 bacteria. after 2 hours, it grew to 4,800 bacteria. predict how many bacteria will be present after 17 hours round your answer to the nearest whole number

Write and solve an inequality to find the values of x for which the area of the retangle is greater than the area of the triangle

Simplify (-15+78) - |22-83|

Factor f (x) = 2x^3+5x^2-97x+180

Jerry has 60 coins consisting of quarters and dimes. The coins combined value is $9.45. Find out how are quarters and how many are dimes.

A car travelled a distance of D = 199 km (kilometers) for T = 4.3 hours at a constant rate. Use the formula D=R. T to find the speed (R) of the car in km per hour. Round your answer to the nearest tenth. Do not include the units in your answer.