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Mathematics 21 Online
OpenStudy (anonymous):

A stack of bricks is 3 1/2 feet high. If each brick is 1 3/4 inches high, how many bricks are in the stack? 2 12 24 28

OpenStudy (anonymous):

@mathstudent55

OpenStudy (mathstudent55):

You need to divide 3 1/2 by 1 3/4

OpenStudy (mathstudent55):

Change each mixed numeral into a fraction, then divide the fractions.

OpenStudy (anonymous):

Explain to me how do i do that please ? @mathstudent55

OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

@Hero

OpenStudy (mathstudent55):

This is the operation you need to do. |dw:1436921214687:dw|

OpenStudy (mathstudent55):

Do you know how to change a mixed numeral into a fraction?

OpenStudy (anonymous):

i flipp it ?

OpenStudy (mathstudent55):

No. We will flip the second fraction when we divide the fractions, but we're not there yet.

OpenStudy (mathstudent55):

The first step is to rewrite both mixed numerals as fractions. This is how you do it. I will use a different example, not the mixed numerals from our problem.

OpenStudy (mathstudent55):

|dw:1436921384449:dw|

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