a class consists of 15 boys and 12 girls. On tuesday
, all the boys were present and the number of girls who were represented 40 percent of the class attendance for that day. How many girls were ABSENT on tuesday?

Question

a class consists of 15 boys and 12 girls. On tuesday
, all the boys were present and the number of girls who were represented 40 percent of the class attendance for that day. How many girls were ABSENT on tuesday?

kc_kennylau · Answer

I don't get the question

anonymous · Answer

let g = number of girls abent, then

12 - g = 0.4 (15 + 12 - g)
g = 2

answer: 2 girls absent on Tuesday