Brendan spent 24 minutes playing a computer game. he stopped playing at 3: 55 p. m. and went outside to ride his bike. what time did he start playing the computer game?

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

the answer should be a. snail