Coding Challenge #1 - who's win?

const calcAverage = (a, b, c) => (a + b + c) / 3;

const scoreDolphins = calcAverage(85, 54, 41);
const scoreKoalas = calcAverage(23, 34, 27);
console.log(scoreDolphins, scoreKoalas);

const checkWinner = function (avgDolhins, avgKoalas) {
    if (avgDolhins >= 2 * avgKoalas) {
        console.log(`Dolphins win (${avgDolhins} vs. ${avgKoalas})`);
    } else if (avgKoalas >= 2 * avgDolhins) {
        console.log(`Koalas win (${avgKoalas} vs. ${avgDolhins})`);
    } else {
        console.log('No team wins...');
    }
}
checkWinner(scoreDolphins, scoreKoalas);

let scoreDolphins = calcAverage(85, 54, 41);
let scoreKoalas = calcAverage(23, 34, 27);
console.log(scoreDolphins, scoreKoalas);

const checkWinner = function (avgDolhins, avgKoalas) {
    if (avgDolhins >= 2 * avgKoalas) {
        console.log(`Dolphins win (${avgDolhins} vs. ${avgKoalas})`);
    } else if (avgKoalas >= 2 * avgDolhins) {
        console.log(`Koalas win (${avgKoalas} vs. ${avgDolhins})`);
    } else {
        console.log('No team wins...');
    }
}

scoreDolphins = calcAverage(85, 54, 41);
scoreKoalas = calcAverage(23, 34, 27);
console.log(scoreDolphins, scoreKoalas);
checkWinner(scoreDolphins, scoreKoalas);