Question

4. If (a - b) : (a + b) = 1 : 11, find the ratio
(5a + 4b + 15) : (5a – 4b + 3).
: ).

plz answer it as quick as possible it's urgent!!​

Answer 1

Answer:

65:53

Step-by-step explanation:

a=6,b=5

Then,

6-5:6+5

=1:11

Then,

(5a+4b+15):(5a-4b+3)

=(5×6)+(4×5)+15:(5×6)+(4×5)+3

=30+20+15:30+20+3

=65:53