A lens in a camera has a focal lens, which is important for focusing the lens in the camera. If an object is at a[..]

An investor invested a total of $1700 in two mutual funds. One fund earned a 9% profit while the other earned a 6%[..]

Find the time required for money invested at an annual rate of 6% to double in value if the investment is compounded[..]

250 shoes sold of 2 styles. One cost 79.50, other 89.95. Total was 29,604. How many of each pair sold in the week?

250 shoes sold of 2 styles. One cost 79.50, other 89.95. Total was 29,604. How many of each pair sold?

the gas price index in 1985 was 213.3 and the gas price index for 200 was 273.6. if it costs $16.84 to fill up your[..]

The sum of three consecutive integers is 33 more than the smallest of the integers. What are the three integers?

What is the balance after 1 year of an account containing $1200 which earns a yearly nominal interest of 4% that is[..]

Eric can wash a car in two hours. It takes John three hours to wash the car. Working together, how long will it[..]

A rectangular room is 1.3 times as long as it is wide, and its perimeter is 30 meters. Find the dimension of the room.