percentsOfPool

function percentsOfPool ([litersPool, pipeOne, pipeTwo, hours]){
    litersPool = parseInt(litersPool);
    pipeOne = parseInt(pipeOne);
    pipeTwo = parseInt(pipeTwo);
    hours = parseFloat(hours);

    let firstPipeLiters = pipeOne * hours;
    let secondPipeLiters = pipeTwo * hours;

    let litersAfterHours = (pipeOne + pipeTwo) * hours;

    if (litersAfterHours <= litersPool){
        let percents = litersAfterHours / litersPool * 100;
        let firstPipePercents = firstPipeLiters / litersPool * 100;
        let secondPipePercents = secondPipeLiters / litersPool * 100;

        let firstPipe = Math.trunc(firstPipePercents / percents * 100);
        let secondPipe = Math.trunc(secondPipePercents / percents * 100);

        console.log(`The pool is ${percents}% full. Pipe 1: ${firstPipe}%. Pipe 2: ${secondPipe}%`);
    }else {
        console.log(`For ${hours} hours the pool overflows with ${litersAfterHours - litersPool} liters.`);
    }
}

percentsOfPool(['100', '100', '100', '2.5']);