mp+mc = 44
mp+pc = 24
mc+pc = 20
Solve these equations, and you can fill in your Venn diagram with the numbers who study only two subjects. Then you can fond how many study only a single subject.
0 students study only chemistry
In a class of 80 student,80 study mathematics,60 study physics and 56 study chemistry.if 36 study matht, physics and chemistry,how many student study only chemistry?
1 answer
1 answer