Shares.js

function share(users, amount){
    // write your logic    
}


const users = [
    {user: 'a', ratio: '.45'},
    {user: 'b', ratio: '.45'},
    {user: 'c', ratio: '.10'}
]

share(users, 10); 
/*
    //Output
    [
      {user: 'a', ratio: '.45', share: 4},
      {user: 'b', ratio: '.45', share: 4},
      {user: 'c', ratio: '.10', share: 2}
    ]
*/