Answer:
2:5 , 4:10 , 6:15 , 8 : 20
Step-by-step explanation:
2boys , 5 girls = 2:5
2:5 multiply both by 2, it gives
2×2 : 5×2
4 : 10
Multiply 2:5 by 3
2×3 : 5×3
6 : 15
Multiply 2:5 by 4
2×4 : 5×4
8 : 20
Therefore we have the ratios as
2:5 , 4:10 , 6:15 , 8 : 20
I hope this was helpful, please rate as brainliest