Tyan spent 20% of his salary on transport and 15% of his salary on food. What was the ratio of the amount of money he spent on food to the amount of money he had left? Give your answer in simplest form. <br> <input min="0" type="number" id ="imp5pg183q10_1" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp5pg183q10_2" class="lineinput" placeholder="?" />