if a:b=1:3, find the ratio of (2a +4b):(5a+6b).
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Answer:
a:b=2:5⇒
b
a
=
5
2
(3a+4b):(5a+6b)=
5a+6b
3a+4b
=
b
5a+6b
b
3a+4b
(On dividing both numerator and denominator by b)
b
5a
+6
b
3a
+4
=
5×
5
2
+6
3×
5
2
+4
=
2+6
5
6
+4
=
5
26
×
8
1
=
20
13
Verified answer
Answer:
Step-by-step explanation:
(2*1+4*3) : (5*1+6*3)
(2+12) : (5+18)
14:23