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OpenStudy (anonymous):
The ratio of two numbers is 5 to 4 and their sum is 180. What is their difference ?
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OpenStudy (anonymous):
\[=180\div(5+4)\] \[=20\]
OpenStudy (anonymous):
\[=(20\times5)-(20\times4)\] \[=100-80\] \[=?\] solve it @sydneyarnea
OpenStudy (perl):
We are given x/y = 5/4 x + y = 180 solve for x,y then find the difference x - y
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