Respuesta :
Answer: 27
Step-by-step explanation:
If 40% are girls, this means 60% are guys. 60% of 45 is 27.
Answer:
27 boys
Step-by-step explanation:
40% = 4/10 = 2/5;
45÷5=9, 9×2=18; There are 18 girls in the classroom.
45-18=27; 27+18=45; There are 27 boys in the classroom.
Hope my explanation helps! Please mark my answer brainliest!