Diplomas

Suzanne helped write out diplomas. Issuance its first took 3 minutes, each next 2.3 minutes. How much time it will take to write out n=16 diplomas (including the first), write out this pace?

Correct answer:

x =  37.5 min

Step-by-step explanation:

$x=3+2.3\cdot (n-1)=3+2.3\cdot (16-1)=37.5\text{ min}$

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