Luke earned a grade of 88% on his multiple choice history final that had a total of 200 problems. How many problems on the final exam did Luke answer correctly?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The table above shows approximate conversions from gallons to liters. what is the value of x?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?