Question

if a:b = 5:7 find the value of
2a + 3b/2a - 3b​

Answer 1

Answer:

given,

if a:b=5:7

then,let's consume that a=5x,b=7x

so,

2a+3b/2a-3b

=2(5x)+3(7x)/2(5x)-3(7x)

=10x+21x/10x-21x

Then,10x gets cancelled with 10 table and also 21x gets cancelled with 21 table

So the answer is 1