As the picture shows, Xiao Ming's fan statistics show the number of people participating in extracurricular activities in the whole school. ① It is known that 120 students participate in rope skipping

As the picture shows, Xiao Ming's fan statistics show the number of people participating in extracurricular activities in the whole school. ① It is known that 120 students participate in rope skipping. Please participate in the class. ① 120÷30%=400 (person);

A: There are 400 people participating in extracurricular activities in the whole school.

②400×45%-400×25%,

= 180- 100,

=80 (person);

A: There are 80 more people playing games than taking part in the high jump.