In a class, $$\frac{2}{7}$$ of the number of boys is equal to $$\frac{4}{5}$$ of the number of girls. If there are 18 more boys than girls., how many boys are there in the class? <hr> There are <input min="0" type="number" id ="imp5pg062q7_1" class="lineinput" placeholder="?" /> boys.