Bike race

function solve(juniorCount, seniorCount, raceType) {
    juniorCount = Number(juniorCount);
    seniorCount = Number(seniorCount);
    raceType = String(raceType);

    const allPrices = {
            'trail': {
                'juniors': 5.5,
                'seniors': 7
            },

            'cross-country': {
                'juniors': 8,
                'seniors': 9.5
            },

            'downhill': {
                'juniors': 12.25,
                'seniors': 13.75
            },

            'road': {
                'juniors': 20,
                'seniors': 21.5
            }
    };

    let juniorsPrice, seniorsPrice, overallPrice;

    juniorsPrice = allPrices[raceType].juniors * juniorCount;
    seniorsPrice = allPrices[raceType].seniors * seniorCount;
    overallPrice = juniorsPrice + seniorsPrice;

    if(raceType === 'cross-country' && (juniorCount + seniorCount) >= 50) {
            overallPrice *= 0.75;
    }

    overallPrice *= 0.95;
    console.log(overallPrice.toFixed(2));
}