Emily's meal coats $32.75 and Darren's meal costs $39.88. Emily treats Darren by paying for both meals and leaving an 18% tip. W
2 answers:
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Answer:
Cr = 10
Step-by-step explanation:
To calculate combinations we use the nCr formula: nCr = n! / r! * (n - r)!, where n = number of items, and r = number of items being chosen at a time.
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