Ethan’s house garden measures 9 m×5 m. He wants to decorate three of its sides with lights. If the cost of decorating per meter is $70, at most how much money does he need for fencing?

Pls . yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeet

I'm terrible at math any here is appreciated.

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.