Word problem: in a recent survey of 160 third graders, 28 were gymnasts, 60 were dancers, 99 were swimmers,13 were gymnasts and dancers, 21 were dance and swimming,19 were swimming and gym. 9 werre all three.Draw a Venn Diagram.

a) how many were in dance OR swimming? my answer 123

b) yow many were in at least 1 activity? my answer 5

c) how many were in at most two activities? 151

I don't know how to draw the venn diagram on this site! Can anyone check my answers?