A restaurant has a four course dinner meal and for each course customers have a choice of three dishes per course and must choose exactly one dish per course. What is the fewest number of customers that the restaurant must have during a single evening dinner service to ensure that 4 customers order the exact same meal, i. e. they order the same dish for each course for all four courses

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answer: answer is b.

[m < b = 120º]

step-by-step explanation:

i'm pretty sure the answer is a. decreases with increase in

b) yes

step-by-step explanation:

let the statements be named as,

statement 1: if the power has been cut, then the refrigerator does not work.

statement 2: the refrigerator does not work.

conclusion: the power has been cut

now, 'law of detachment states that if we have the statements given as,

1. if p, then q.

2. p

then, we get the true statement or conclusion as q'.

thus, on comparing, we get that,

p: if the power has been cut.

q: the refrigerator does not work.

so, the argument is true by the law of detachment.