Luann and carla receive equal scores on the same test made up of multiple choice questions and an essay louana got 14 multiple choice questions correct and received 24 points for her essay carla got 16 multiple choice questions correct and receive 14 points for her essay how many points does each multiple-choice question

Each multiple-choice question is of 5 points.  

Step-by-step explanation:

Let x be the scores for each correct multiple choice question and y be total points for the test.

Upon substituting our given information we will get a system of equations as:

We are told that both Luann and Carla received equal scores. Upon equating both equations we will get,

Therefore, each multiple-choice question is worth 5 points.

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours