There are between 24 and 40 students in a class the ratio of boys to girls is 4:7 how many students in the class

Answer:33 studentsStep-by-step explanation:nr of boys-bnr  of girls-gb/g=4/7   *7       *77b/g=4 *g       *g7b=4gwe know  b+g=24.....40                    *4         *4  4b+4g=between 96(24*4)   and 160(40*4)but  4g=7b4b+7b= 96.......16011b=96.....160but  multiple of 11  could be 99,110,121, 132, 143, 154then b could be 9,10,11,12,13 or 14if  b=12   7b=4g so 7*12=4*g then   g=7*12/4=84/4=21then  12+21=33  students