Carrie had 140 coins. she has 10 times as many coins as she had last month. how many coins did carrie have last month?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

B. jan surveyed her friends to find their favorite season. she recorded jhi ii for summer. how many people chose summer as their favorite season?

Jiovanni is looking in to two different companies that offer study guides for math exams. test prep 101 charges a $5 flat fee and an additional $0.25 per problem. math charges a $2 flat fee and an additional $0.50 per problem. how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {