An experienced maid can clean a room in 30 min. A new maid can clean the same room in 60 min. How long will it take if both maids work together?

The octal system uses base 8. the only available digits would be 0, 1, 2, 3, 4, 5, 6, and 7. if the value 2468 is converted to decimal value, it would be expanded as (2 * 82) + (4 * 81) + (6 * 80). what would be the result of this

John bought a TV that had a list price of $800. He agreed to a payment plan of 12 monthly payments at $80 per month. what is the simple interest rate?

An ice cream shop offers 5 different flavors of ice cream and 12 different toppings. how many choices are possible for a single serving of ice cream with one topping?

How do you write 125% in a fraction and in simplest form

A box contains 4 bags of flour. The total mass of all 4 bags is 6kg. What is the mass of each bag in grams?

What type of an association would you expect between a person's height and weight? Positive association Negative association No association Linear association

Both Wilma's and Betty's pools hold 9000 gallons of water. If Wilma's garden hose fills at a rate of 750 gallons per hour while Betty's garden hose fills at a rate of 650 gallons per hour, how much longer does it take Betty to fill her pool than

One person can do a certain job in six days, a second person can do the same job in two days, and a third person can do this job in three days. how many days will they take to do the job together?

What is the area of this circle

What is the interest earned on $12,000 invested at 5.25% simple interest for 5 years?