Question

During one month, a blood donation center found that45.9% of the donors had the A

antigen.14.5% of the donors had the B antigen.4.4% of the donors had the A antigen and the B antigen.84.4% of the donors were Rh+.87.9% of the donors had the B antigen or were Rh+.

(a)Find the percent of donors that have the A antigen or the B antigen.

__________ %

(b)Find the percent of donors that have the B antigen and are Rh+.

 __________%

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