You like to watch movies at the local cinema. you have two payment options. option a is to buy a discount card which will cost you $160, and then $20 per movie. option b is to pay $40 per movie. after how many movies will the total costs of the two options be the same? write a system of equations in order to solve the problem.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?