JSFiddle - React, Tailwind, and code Playground

HTML

<div id="myRadioGroup">
    2 Cars<input type="radio" name="cars" checked="checked" value="twoCarDiv"  />
    3 Cars<input type="radio" name="cars" value="threeCarDiv" />
    <div id="twoCarDiv" class="desc"> 2 Cars Selected </div>
    <div id="threeCarDiv" class="desc"> 3 Cars Selected </div>
</div>

JavaScript

$(document).ready(function() {
    $("#twoCarDiv").hide();
    $("#threeCarDiv").hide();
    $("input[name$='cars']").click(function() {
        var test = $(this).val();
        $("div.desc").hide();
        $("#" + test).show();
    });
});