<p>Four identical pipes fill a tank in \(18\) minutes. All pipes operate at the same constant rate, and the tank starts empty.</p>
<ol class="abc-list"><li data-list-item-id="item-1791978569851-2fqj86oq4" data-list-item-path="item-1791978569851-2fqj86oq4"><div class="list-item-paragraph"><p>How long would six pipes take?</p></div></li><li data-list-item-id="item-1791978571728-r9ksotenj" data-list-item-path="item-1791978571728-r9ksotenj"><div class="list-item-paragraph"><p>How many pipes are needed to fill the tank in \(8\) minutes?</p></div></li></ol>

Four identical pipes fill a tank in \(18\) minutes. All pipes operate at the same constant rate, and the tank starts empty.

<p>How many pipes are needed to fill the tank in \(8\) minutes?</p>

Direct and Inverse Proportion

Direct and Inverse Proportion