Awater tank holds 18,000 gallons how long will it take for the water level to reach 6,000 gallons if the water is used at an average rate of 450 gallons per day?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Can someone check if i did this correct. it’s number 4 if you’re wondering.