At first, the number of boys and the number of girls on a school bus were the same.<br>Then 30% of the boys and 20% of the girls alighted at the bus stop.<hr> What was the new ratio of the number of boys to the number of girls? <br> <input min="0" type="number" id ="imp6pg114q2a_1" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp6pg114q2a_2" class="lineinput" placeholder="?" />