Answer:
27 girls
Explanation:
boys 2/5 = 0.4 (40%) = 18
girls 3/5 = 0.6 (60%)= x
40%----------18
60%-----------x
Cross multiplication
40x = 60x18
40x = 1080
x=27
boys 2 : 3 girls
18: x
18×3= 54:2x
54÷2= 27
1.6m questions
2.0m answers