Question

Help please on this please

Answer 1

well if there are 40 total students and 18 are boys, how many are girls?

Answer 2

22

Answer 3

now let's work across the first row

___ + 17 = 22

what goes into the blank?

Answer 4

5

Answer 5

now let's work down the first column

5 + ___ = 12

what goes into the blank?

Answer 6

7

Answer 7

now let's work across the bottom row

7 + ___ = 18

what goes into the blank?

Answer 8

11

Answer 9

good

so now we find chinese boys/total boys

Answer 10

so it ends up being 11/18

Answer 11

so the final is 11/18

Answer 12

yes