There are B) Infinite Solutions.
Hope I helped! :)
Answer:
a and c i think.
Step-by-step explanation:
Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
