It takes six hours to travel 372 miles how long will it take to travel 279 miles

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Math it's appreciated. (picture provided)

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”?