how long will it take money to double if it is invested at 7% compounded daily?

It takes an old copier 15 hours longer than the new onw to finish a job.It takes them 4 hours to finish a project[..]

Jeff takes 5hr longer to build a fence than it takes Bill. When they work together it takes them 6hr. How long would[..]

the sum of a number and 18 times its recipocal is -9 what is the number?

the base of a triangle is 5cm greater than the height. The area is 18cm^2. Find the height and length of the base.

Find the positive value of a number such that when 6 times the number is subtracted from twice its square the result[..]

A parabolic arch has an equation of x2+20y-400=0, where x is measured in feet. Find the maximum height of the arch.

After incurring a loss of 33 1/2%,a man had RS 18,600 left with him .What was the amount of money he originally had?

A boy age is one-fourth that of his father .After 24 years the boy will be half the age of his father.find their[..]

a father is twice as old as his son .The sum of the ages is 99 years.Find their ages