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Mathematics 15 Online
OpenStudy (anonymous):

vhjkbhl

OpenStudy (legends):

|dw:1423492005637:dw|

OpenStudy (anonymous):

\(5\dfrac{4}{7} \times -2 \dfrac{2}{5}\) We can convert to improper fractions first: \(5 \dfrac{4}{7} \rightarrow \dfrac{39}{7}\) \(-2\dfrac{2}{5} \rightarrow -\dfrac{8}{5}\) Multiply together :P

OpenStudy (anonymous):

B

OpenStudy (anonymous):

Hold on, I did something wrong.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Is this the question? Multiply \(5 \dfrac{4}{7}\) and \(-2\dfrac{2}{5}\).

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Hmm..

OpenStudy (anonymous):

Okay, well 5 4/7 is the same thing as 5.571428571, and -2 2/5 is the same thing as -2.4 What's -2.4 * 5.571428571?

OpenStudy (anonymous):

c

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