The mean age of 6 women in an office is 25 years old. The mean age of 10 men in an office is 27 years old.
What is the mean age (nearest year) of all the people in the office?

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons