A box containing 20 books costs $297.20. Which equation can be used to find c, the cost per book?
2 answers:
We need to set up an equation.
297.20 is our total, so it goes after the equal sign.
c is the amount per book.
20 is the amount of books.
297.20 = 20c
Now we need to isolate the variable to solve for c.
Do the inverse operation.
20c = 297.20
20c/20 = 297.20/20
c= 297.20/20
c= 14.86
Our final answer: Each book costs 14.86 dollars
C=297.20/20
Each book costs $14.86, assuming that each book costs the same
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