The average of two numbers is 15. One of the numbers is greater than the other number by 4. <hr> The larger number is <input min="0" type="number" id ="imp5pg152q7_1" class="lineinput" placeholder="?" />, <hr>the smaller number is <input min="0" type="number" id ="imp5pg152q7_2" class="lineinput" placeholder="?" />.