James scored a summary of 15 points during a basketball game. How many free throws did James make during the game.

Question

James scored a total of 15 points during a basketball game. During the game he made only free throws worth 1 point each and 3 point baskets. He made a total of he made a total of 7 baskets. How many free throws and how many 3 point baskets did James make during the game.

Answer 1

let x = number of FTM and let y be # of 3-pt FGM

 

15 = x + 3y

x+y = 7

 

solve this system (easy, by substitution).