There are some red, blue and green balls in a basket. The number of green balls is $$\frac{1}{2}$$ that of the blue. There are three times as many red as there are green and there are 18 more red balls than blue balls. <br> In total, there are <input min="0" type="number" id ="imp4pg093q14_1" class="lineinput" placeholder="?" /> balls in the basket.