Question

If a : b = 2 : 5,then the value of (3a + 4b) : (4a + 5b) is

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Answer 1

Step-by-step explanation:

a:b=2:5⇒ba=52

(3a+4b):(5a+6b)=5a+6b3a+4b=b5a+6bb3a+4b

(On dividing both numerator and denominator by b)

b5a+6b3a+4=5×52+63×52+4=2+656+4=526×81=2013

Answer 2

Answer:

answer for the given problem is 26:33