SOLUTION: Alan has thrown 24 passes and completed 25% of them. Over the rest of the season Alan completes all of his passes and he ends the season with an 80% pass completion record. The tot

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Alan has thrown 24 passes and completed 25% of them. Over the rest of the season Alan completes all of his passes and he ends the season with an 80% pass completion record. The tot      Log On


   

Question 277967: Alan has thrown 24 passes and completed 25% of them. Over the rest of the season Alan completes all of his passes and he ends the season with an 80% pass completion record. The total number of passes Alan threw over the season was:
(A) 42 (B) 50 (C) 72 (D) 80 (E) 90
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.80*(24+x)=y
.25*24+1*x=y
x=66 y=72
(C) 72