FREE POINTS FIRST PERSON TO ANSWER GETS BRAINLIEST! IM DOING THIS TO BE NICE

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Find the value of x to the nearest tenth.