A custodian plans to repaint some classrooms. He has 5 = gallons of paint. All of
the bookcases are the same size and each requires 2 gallons of paint. How many
bookcases will he be able to repaint with that amount of paint? Show your work...

According to the data given, the custodian needs 2 gallons of paint to repaint one bookcase. Since all the bookcases are equal, you can set up the following proportion:

[tex]\frac{2}{1}=\frac{5}{x}[/tex]

Now you must solve for "x" in order to find its value:

[tex](x)(\frac{2}{1})=5\\\\2x=5\\\\x=\frac{5}{2}\\\\x=2.5[/tex]

Notice that the custodian will be able to repaint 2 bookcases completely, then you can say that:

[tex]x\approx2[/tex]

A custodian plans to repaint some classrooms. He has 5 = gallons of paint. All of the bookcases are the same size and each requires 2 gallons of paint. How many bookcases will he be able to repaint with that amount of paint? Show your work...

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A custodian plans to repaint some classrooms. He has 5 = gallons of paint. All of
the bookcases are the same size and each requires 2 gallons of paint. How many
bookcases will he be able to repaint with that amount of paint? Show your work...