How long in years and months will it take for an investment to double at 8% compounded monthly?

for their college architecture class, bob and dylan will build an arch represented by the equation h=-w^2+12w , were[..]

One day a store sold 17 sweatshirts. White ones cost $9.95 and yellow ones cost $13.50. In all $222.40 worth of[..]

The city zoo has different admission prices for adults and children. When three adults and two children went to the[..]

A box with an open top is formed by cutting squares out of the corners of a rectangular piece of cardboard and then[..]

Ms. Wilson invested $29,000 in two accounts, one yielding 6% interest and the other yielding 8%. If she received a[..]

The ramp on the back of a mower's truck is 12ft long. If the angle of the ramp with the ground is 22 degrees, about[..]

Paytrust.com is an online bill paying service that charges $5 per month plus $0.50 per paid bill. Thomas used this[..]

The monthly parking fee at the Safety First Garage is one and one-half times last year's monthly fee, but compact[..]

The angle that a waterskiing ramp forms with the surface of water is 15 degrees, and the ramp rises 5 feet.[..]