Mathematics, 21.05.2020 19:00, brooklyn4932

Two years ago there were 20 trailer homes on Elm Street with an average age of 18 years. At that time, a group of brand new trailer homes was then added to Elm Street. Today, the average age of all the trailer homes on Elm Street is 14 years. How many new trailer homes were added two years ago?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, davidaagurto

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Answers: 1

continue

Mathematics, 21.06.2019 18:00, emmanuelcampbel

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Answers: 1

continue

Mathematics, 21.06.2019 21:00, kharmaculpepper

Joanie watched 1 out of three of a movie in the morning

Answers: 1

continue

Mathematics, 21.06.2019 22:30, laura1649

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.6

Answers: 1

continue

Do you know the correct answer?

Two years ago there were 20 trailer homes on Elm Street with an average age of 18 years. At that tim...