SOLUTION: Slim Johnson was usually the best free-throw shooter on his basketball team. Early in the season, however, he had made only 9 out of 20 shots. By the end of the season, he had made

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Slim Johnson was usually the best free-throw shooter on his basketball team. Early in the season, however, he had made only 9 out of 20 shots. By the end of the season, he had made      Log On

The governing equation is


     = 0.75.


It implies


    9 + x = 0.75*(20+x)

    9 + x = 15 + 0.75x

    x - 0.75x = 15 - 9

    0.25x     = 6

        x     =  = 24.     ANSWER