The ratio of the girl to students at the middle school is 10 to 18.Now, If there are 270 student at the school. Find out how mny girls will there be:Ratio give = 10 : 18=> 270 is the number of the students, x is the number of the girls.Formula and solutions=> 10 : 18 = X : 270=> First multiply the outer value = 270 * 10 = 2 700 The divide it with the outer value = 2 700 / 18 = 150.Thus, there are 150 girls and 270 students at the school