Answer:
There are 15 girls.
Step-by-step explanation:
The ratio is 4:3, meaning there are 7 parts.
4 parts= 20 (Boys)
This means 1 part is 20 divided by 4.
1 part= 5
3 parts= Amount of girls.
3 x 5 = 15.
There are 15 girls.
The first part is 8 x 40=320
8 x 7=56
320+56 and i am not sure what you have going on on the other half
Answer:

Step-by-step explanation:

The answer for this question will be 20 ft
8= 4x2 so 5x4=20ft