We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
193
2
avatar+32 

           

 Nov 7, 2018
 #1
avatar+102390 
+1

r / 5  = 4/ 7

 

cross-multiply

 

7 * r  =  4* 5 

 

7 * r   = 20   

 

divide both sides by 7

 

r  =  20 / 7

 

 

cool cool cool

 Nov 7, 2018
 #2
avatar+18754 
+1

r /5 = 4/7   Multiply both sides by 5

 

5 (r/5) = 4/7 *5

r = 20/7

 Nov 7, 2018

20 Online Users