It costs Marcy $0.50 to produce each bracelet she makes. When selling them she charges $20 plus three times the production cost per bracelet. Which equation shows the amount Marcy charges C per bracelet b?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?

Connor took out a 4-year loan to buy a car at a 4% simple interest rate. if he has to pay $240 in interest, how much principal did he borrow?