PLS HELP WILL MARK BRAINIEST

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

With both problems. a.s.a.p directions on photo ^

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10