SOLUTION: Bob gave four-fifths of his pencils to Barbra, then gave two-thirds of the remaining pencils to Bonnie. If he ended with 10 pencils for himself, how many did he start with?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Bob gave four-fifths of his pencils to Barbra, then gave two-thirds of the remaining pencils to Bonnie. If he ended with 10 pencils for himself, how many did he start with?      Log On


   

Question 258960: Bob gave four-fifths of his pencils to Barbra, then gave two-thirds of the remaining pencils to Bonnie. If he ended with 10 pencils for himself, how many did he start with?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3*10=30
30/(1/5)=
30/1*5/1=150/1=150 total