At first, the ratio of Dave's money to his brother's money was 2 : 3. After Dave gave $10 to his brother, the ratio of Dave's money to his brother's money became 1 : 2. <hr>At the beginning,<br>Dave had $ <input min="0" type="number" id ="imp5pg102q10_1" class="lineinput" placeholder="?" /> and <br>his brother had $ <input min="0" type="number" id ="imp5pg102q10_2" class="lineinput" placeholder="?" />.