Question

What quantity must be subtracted from each
term of the ratio 39:89 to make it equal to 2:5​

Answer 1

Step-by-step explanation:

Let the number be x

39x-x=2x

39=3x

x=13

89x-x=5x

88x=5x

x=20.2

Answer 2

Step-by-step explanation:

39:89=39/89

2:5=2/5

let the number be x.then,

39/89-x=2/5

-x=2/5-39/89

-x=178-195/445

-×=-17/445

x=17/445

x=17:445