SOLUTION: (they are reading a chapter of a book) Carly read: 1/3 of chapter Jo read: 0.25 of chapter Sam read: ? of chapter (How much did Sam read?)

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Question 170628This question is from textbook Holt Mathematics Course 2: Pre-Algebra
: (they are reading a chapter of a book)
Carly read: 1/3 of chapter
Jo read: 0.25 of chapter
Sam read: ? of chapter
(How much did Sam read?)
This question is from textbook Holt Mathematics Course 2: Pre-Algebra

Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
well if I am hearing the question correctly a full chapter was read by carly, Jo, and Sam. If Carly read 1/3 and Jo read .25 or 1/4 . Let s be the portion of the chapter sam read.
(1/3)+(1/4)+s=1.....multiply by Least common multiple which is 12
:
4+3+12s=12........now subtract 4 and 3 from both sides
:
portion of chapter that Sam read

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