2.( 1) Recreation Group: 40* 100/25=?

Science and technology group: 40* 100/20=?

Work out the answer by yourself, not by others.

(2) Sports group: 40* 100/40=

Art..: 40* 100/ 15=?

And subtract the art group from the sports group?

All right. I don't know if it is.

Check it yourself. Leave me a message.