+0  
 
0
85
2
avatar

Given the balance scales below, which weight would balance with last scale?

 

 Jun 7, 2020
 #1
avatar
0

Blue square = 11

 

Green triangle = 7

 

Red circle = 5

 

The last balance =11 + 7 + 5 = 23

 Jun 7, 2020
 #2
avatar+26620 
+1

Add first and third ones     2s  + c + t = 34

   now subtact second one     - c   - t              to get  2s = 22    so   s = 11

 

s = 11   and c + t = 12     total  23

 Jun 7, 2020

29 Online Users

avatar