problems. Show you (1) In a class of 30 students, each student can avail at least one of the classes: online classes and face-to-face classes. If 17 students avail online classes and 20 students avail face-to-face classes, how many student avail (a) both classes?
(b) online classes only?
(c) face-to-face classes only?
Answers & Comments
Answer:
(c)
Step-by-step explanation:
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