How do i find the least common multiple

The ratio of men to women working for a company is 3 to 5. If there are 145 women working for the company, what is the total number of employees?

The discount store is having a big sale. paper towels are two rolls for 1 dollar. disposable diapers are 3 dollars a box. if serena buys 2 rolls od paper towels and 2 boxes of diapers. how much change will she get from a 20 dollar bill?

Factor this expression completely 9a 4 - b 2

What divided into 7 equals 15?

Find the value of x. The diagram is not drawn to scale.

The probability of spinning an even number and flipping heads is

Pat is paid an annual salary of $104,000. Find Pat's weekly salary.

2,400 principal earning 2%, compounded annually, after 7 years. Find the balance in the account

Find each probability if a die is rolled. P (divisible by 4)

The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute. How much water will be left in the tank after 15 minutes?