Question

Given 4a+3b=65 and a+2b=35 then a/b=

Answer 1

Answer:

4a+3b=65  eq(1)

a+2b=35 eq(2)

from   4 * eq(2) - eq(1)

so 5b = 75

b = 15

so a = 20

so a/b = 4/3