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Mathematics 17 Online
OpenStudy (samara8954):

Solve for n.

OpenStudy (jtvatsim):

What is the question? :)

OpenStudy (samara8954):

OpenStudy (samara8954):

here

OpenStudy (samara8954):

n = 36 n = 320 n = 4 n = 9

OpenStudy (samara8954):

here are the answers

OpenStudy (anonymous):

\[n*40=4*90\]

OpenStudy (samara8954):

so 4 is the answer

OpenStudy (anonymous):

use fraction properties to get the expression above

OpenStudy (anonymous):

no 9 is the answer

OpenStudy (anonymous):

check it \[9/90=4/40\]

OpenStudy (anonymous):

\[1/10=1/10\]

OpenStudy (samara8954):

so what is the answer

OpenStudy (calculusxy):

n*40 = 4*90 40n = 360 Divide both sides by 40. n=9

OpenStudy (samara8954):

so 9

OpenStudy (calculusxy):

Yes!

OpenStudy (anonymous):

yes

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