Anne's scores in the last four tests were 85,82,97 and 91. What must be her score in the fifth and last test to get an average of at least 90?

Tiffany answered 90% of the questions on her math test correctly. There were 50 questions on the test. How many questions did Tiffany answer correctly?

Victoria took a test and got 80% of the questions right. She answered 20 questions correctly. How many questions were on the test?

While playing a board game, Mimi noticed that she could roll the dice 8 times in 30 seconds. How many minutes should it take her to roll the dice 150 times?

The average of Molly's 5 quiz scores is 9.0.If her highest test score is dropped , her average is lowered to 8.5 . What was her highest test score ?

Find the average if you got 100 on a test worth 20% of the course grade, 90 on a test worth 30% of the grade, and 80% on a test worth 50% of the grade

Find the percentage of students

Last year at a certain high school, there were 150 boys on the honor roll and 150 girls on the honor roll. This year, the number of boys on the honor roll increased by 24% and the number of girls on the honor roll increased by 6%. By what percentage did the total number of students on the honor roll increase? Round your answer to the nearest tenth (if necessary).

How did you find that the math score = 0.715 verbal score + 103.25 ?

John has grades of 87 and 93 on his first two history tests. What must he score on his third test so that his average is at least 89.