Math, asked by dimzokim5229, 5 months ago

3. The length of a straight line ABC is 5 m.
If AB: BC = 2:5, find the length of AB.
pls show steps/working

Answers

Answered by viswanadhvissu99
2

Answer:

abc= 5 m

ab:bc=2:5

let ab=2x

bc=5x

2x=5  ;   5x=5

x= 2.5   ;  x=1

Answered by yanasnb
1

10/7  

Step-by-step explanation:

ABC= 5m

AB:BC= 2:5

Add AB + BC

2+5=7

Divide ABC over 7

5/7

AB= 5/7 x 2 = 10/7

BC= 5/7 x 5 = 25/7

AB= 10/7 or (Mixed fraction) 1 3/7

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