JSFiddle - React, Tailwind, and code Playground

JavaScript

function roundoff(value) {
    return (Math.round(value / 0.05) * 0.05).toFixed(2);
}
console.log(roundoff(10.24));
console.log(roundoff(17.90));
console.log(roundoff(3.89));
console.log(roundoff(7.63));