Asked by Ahmad

out of 80 student in ss3, each student offers at least one of chemistry and physics. if 50 students off chemistry and 42 student offer physics, how many of students offer chemistry only
Answered by oobleck
If x offer both, then
50+42-x = 80
x = 12
So, 50-12 = 38 are chemistry only
Answered by Hayleigh dove jay Hartley
HI OOBLECK, CAN YOU HELP ME ON MY WORK PLEASEE
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