The angle of elevation of the top of a building from a point on the level ground is twice the angle of elevation of[..]

Find the simple interest at the rate of 5% p.a for 3 years on that principal which in 4 years,8 months at the rate[..]

if z varies inversely as w, and z=40 when w=0.2, find z when w=20

The cyclists pedaled the first 1600 meter in 2 minutes. How long would it take her to pedal a total of 10,000 meters?

A rectangle has a length of 7 meters longer than double the width.The perimeter is 134 meters. Find the dimensions[..]

At what rate of simple interest will the sum of money double itself in 6 years.

susan has two 8foot long pieces of ribbon. she needs to cut pieces that are 7inches long from the ribbon to make[..]

Jeremy and Paul can plant a garden in 4 hours if they work together. If each worked alone, it would take Jeremy 6[..]

An initial amount of $1300 is invested in an account at an interest rate of 1% per year, compounded continusly. Find[..]

In how many years will 600 double itself at 10% simple interest?