Two buses, Bus A and Bus B, were travelling from Town X to Town Y.<br>Bus A left Town X at 10.00 and travelled at a speed of 60 $$km/h$$.<br>Bus B left Town X at 10.15.<br>Both buses reached Town Y at 11.30.<hr>How long did Bus A take to reach Town Y?<br> <input min="0" type="number" id ="imp6pg166q4a_1" class="lineinput" placeholder="?" /> $$h$$