liarome08 liarome08 18-05-2018 Mathematics contestada Find the ratio a:b, if it is given that ... 1) 2a=9b 2) a/5 = b/7 3) 6a−3b=5b 4) a+b=3b 5) a−2b/a+2b = 1/2 6) 2a−3b/5 = a+b/3