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Points A, B, C, and D and lie on a line in alphabetical order. If AB: BD =5:7 and AC: CD = 13:11, determine the ratio AB: BC : CD

 Apr 3, 2020
 #1
avatar+416 
+2

Look at this article! It will give u a hint!! https://web2.0calc.com/questions/point-a-b-c-and-d-lies-on-a-straight-line

 Apr 3, 2020
 #2
avatar+111321 
+1

AB : BD  =  5 : 7   =   10   :  14

 

AC : CD  =   13 * 11  

 

This  implies that     A  to  D  has  24  equal parts

 

AB =  10  of these

AC =  13  of  these

So   BC  = 3

 

So

 

AB =  10

BC  = 3

CD =  11

 

So  AB  :  BC  :  CD   =     10  :  3 :  11

 

 

cool cool cool

 Apr 3, 2020

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