Asked by tomiwa
in a certain class of 40 students each student offers at least one of the mathematics and physics.If 22 students offer physics and 21 students offer mathematics,find how many students offer physics only
Answers
Answered by
Writeacher
You mean "each student takes..."
The school offers classes; students take classes.
The school offers classes; students take classes.
Answered by
oobleck
If x take both, then
22+21-x = 40
Find x, and then 22-x take only physics
22+21-x = 40
Find x, and then 22-x take only physics
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