Homework Help: College Math

Posted by HM on Sunday, October 2, 2011 at 9:28am.

Could you show me how to do

5z/7 - 5z/8 = 1

The answer is 56/7
But how did they get it ?

College Math - HM, Sunday, October 2, 2011 at 9:29am
sorry the correct answer is 56/5
College Math - Damon, Sunday, October 2, 2011 at 11:05am
40z/56 - 35z/56 = 1

5 z/56 = 1

z = 56/5
College Math - HM, Monday, October 3, 2011 at 1:30am
Thank you :)

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