1) Substitution from definition.
2) We use
3) We are changing the order of 3 and .
4) We add 1 and 3 and we get
5) Substitution from definition (but the other way than at the beginning).
Which expression is equal to 2x7x6?
1 answer:
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Answer:7
Step-by-step explanation:
This can be solved by Venn-diagram
Given there are total 5 students who want french and Latin
also 3 among them want Spanish,french & Latin
i.e. only 2 students wants both french and Latin only.
Also Student who want only Latin is 5
Thus Student who wants Latin and Spanish both only is 11-5-3-2=1
Students who want only Spanish is 8 Thus students who wants Spanish and French is 4
Similarly Students who wants Only French is 16-4-3-2=7
