in class the number if girlsis 11/30 of the total number of pupils.what is the ratio ot the njmber of boys to the number of girls in the class.a11:19 b.11:30 c.19:11 d.30:19
I am thinking its A 11:19 coz,its just asking to how many boys and its ratio to the number of girls,and as you can see,30 minus 11 is 19,means 19 is the number of pupils as boys,i hope it helps