Question

if a :b=4:5and B:C = 6:9 find a:b:c

Answer 1

$hello \: dear$
Given, ab=4/5and  bc=6/7Now,ab=4/5×6/6=24/30⇒a:b=24:30bc=67×55=3035⇒b:c=30:35Thus,a:b:c=24:30:35

Answer 2

a:b=4:5
b:c=6:9
then,
equal the value of b,
a:b=(4:5)*6
=24:30
b:c=(6:9)*5
=30:45
a:b:c=24:30:45
=8:10:15