Fabio and carlos play on a basketball team together. in the last game, fabio had 7 points less than 2 times as many points as carlos. fabio scored 31 points in the game.

Which expression gives the exact value of x?

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?

What is the benefit of converting measures in a ratio to the same unit