Johhny borrowed $15 per month from his mom to pay for his school supplies at the end of the course he owed his mom $135 how many months did johnny have to buy supplies for the art class?

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday

What is a correct first step in solving the inequality-4(3-5x)> -6x+9

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?