Look at the models and work out the missing numbers in the boxes <hr>(1) = <input min="0" type="number" id ="imp3pg077q1_1" class="lineinput" placeholder="?" /> <br>(2) = <input min="0" type="number" class="lineinput" placeholder="?" /><br> (3) = <input min="0" type="number" id ="imp3pg077q1_1" class="lineinput" placeholder="?" />