There are 20 girls and 15 boys in a class.
(a)What is the ratio of number of girls to the number of boys?
(b)What is the ratio of girls to the total number of students in the class?
a) 271 x 362
(b) 5271 x 3411
(c) 32 x 488
(d) 451 x 200
There are 20 girls and 15 boys in a class.
(a)What is the ratio of number of girls to the number of boys?
(b)What is the ratio of girls to the total number of students in the class?
1 +4= 5
2+5=12
3+6=21
5+8=?
How many numbers are there from 1000 to 9999?