a classroom is arranged with 10 seats in the front row 12 seats in the middle row and 18 seats in the back row the teacher randomly assigned seats to students as they enter the classroom what is the probability of the first student who enter the classroom will be assigned a seat in the middle row?​

3/10

Step-by-step explanation:

12/40 = 3/10

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answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42