If class A has 11 boys and 18 girls, class B has 13 boys and 17 girls, and class C has 20 boys and 9 girls, which class has the biggest ratio(s) of boys to girls?
- AClass A
- BBoth class A and class B
- CClass C
- DClass B
Solution & Step-by-step Explanation
Let's calculate the ratio of boys to girls (
Girls
Boys
) for each class:
For Class A:
Ratio
A
=
18
11
≈0.611
For Class B:
Ratio
B
=
17
13
≈0.765
For Class C:
Ratio
C
=
9
20
≈2.222
Comparing the values, 2.222>0.765>0.611. Thus, Class C has the largest ratio of boys to girls.
Girls
Boys
) for each class:
For Class A:
Ratio
A
=
18
11
≈0.611
For Class B:
Ratio
B
=
17
13
≈0.765
For Class C:
Ratio
C
=
9
20
≈2.222
Comparing the values, 2.222>0.765>0.611. Thus, Class C has the largest ratio of boys to girls.