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OpenStudy (anonymous):
(c/3)/(5/6)
OpenStudy (anonymous):
@FibonacciChick666
OpenStudy (fibonaccichick666):
so, when you are dividing by a fraction what is the rule?
OpenStudy (anonymous):
um i dont remeber right now
OpenStudy (fibonaccichick666):
systematically, what do you do? It is very important
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OpenStudy (fibonaccichick666):
you....chant it! Flip the second fraction and.... MULTIPLY!
OpenStudy (anonymous):
really i didnt know that im not very good at math
OpenStudy (fibonaccichick666):
yessss It is important. Memorize the chant and never ever say you are bad at math
OpenStudy (anonymous):
so i multiply 5*6
OpenStudy (fibonaccichick666):
you have \[\frac{c}{3} \div\frac{5}{6}\]
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OpenStudy (anonymous):
so \[\frac{ c }{ 3 } \div \frac{ 6 }{ 5 }\]
OpenStudy (anonymous):
and cross-multiply
OpenStudy (anonymous):
right
OpenStudy (fibonaccichick666):
no, just change the division symbol in what you typed to multiplication
OpenStudy (fibonaccichick666):
cross multiplication is used when you have an equals sign
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OpenStudy (anonymous):
ok so what would it look like
OpenStudy (fibonaccichick666):
\[\frac{c}{3}\times\frac{6}{5}\]
OpenStudy (fibonaccichick666):
the second fraction is flipped and then we multiply
OpenStudy (fibonaccichick666):
just like normal
OpenStudy (anonymous):
okay so \[\frac{ 6c }{ 15 }\]
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OpenStudy (fibonaccichick666):
yep, now reduce
OpenStudy (anonymous):
2c/5 @FibonacciChick666
OpenStudy (fibonaccichick666):
yeppers
OpenStudy (anonymous):
thanks i guess i understand it know
OpenStudy (fibonaccichick666):
yep, just remember, flip the second fraction and MULTIPLY! (I learned that chant in 4th grade and still use it now that I have nearly finished a math BS)