The population of a town was 9000 people (in year "0"). The population began to decrease by 3% per year. State the number of WHOLE years it would take for the population to fall below 4000 people.

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