A student missed 15 problems on a mathematics test and received a grade of 70 %. If all the problems were of equal value, how many problems were on the test?

Q: On a test, a student got 80% of the items correct. If the Student got 56 items correct, how many…

A: Let x be the items on the test given: 80% of x is 56

Q: On the semester final, Joe scored 80, Jill scored 89, and Bill scored a 94. What was the average…

A: We have to find out average score.

Q: Before the final exam, a student has test scores of 72, 80, 65, 78, and 60. If the final exam counts…

A: Let the grade in the final exam will be x. before the final exam, the average score of the student…

Q: Situation Out of two thousand families with four children each, how many would you expect to have:…

A: Given information Number of families N = 2000 No of children n = 4 P(G) = P(B) = ½ Probability of…

Q: A team of five players split a bonus as follows: player one,two,three and four equally. Player five…

A: According to given question:Let us assume that players one, two, three, four receive $x and player…

Q: Wendy has taken two tests with scores of 77 and 80. To get an 82 average, what must her grade be on…

A:

Q: A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test…

A: We can make it easier for you.

Q: The highest score on an algebra test was 42 points more than the lowest . When added together, the…

A:

Q: If I scored 78 out of 120 on an exam, what would be my grade percentage for the exam?

A: Total marks for the exam = 120   Obtained marks = 78   We have to calculate grade percentage

Q: Braden scored 9 fewer points on his math test than Ava did. If Ava scored an 86, what was Braden’s…

A:

Q: In a mathematics class, eighteen students received an A on the third test, which is 150% of the…

A:

Q: If the toss of a coin comes down heads, you win two dollars. If it comes down tails, you lose fifty…

A: Given If the toss of a coin comes down heads, you win two dollars. If it comes down tails, you lose…

Q: When 18 is subtracted from six times a certain number, the result is − 42.What is the number?

A:

Q: Suppose your grades on three math exams are 80, 93, and 91. What grade do you need on your next exam…

A: Given:

Q: Hasna got an average of 50 in 6 tests. What should she get in the next test to attain the average of…

A:

Q: if i have a 73.8 average in math, and I get a 30% mark in my last test, what we

A: Introduction: a number obtained by multiplying two or more quantities and then dividing the total by…

Q: How many times greater is the value of the 3 in 230,716 than the value of the 3 in 23,716?

A: The given numbers are 230,716 and 23,716.   Identify the place of 3 in both the numbers:   It is…

Q: The median of the five test scores is 82.  If four of the grades are 65, 93, 77, and 82, what can…

A: Given, Median of 5 scores=82 Four grades are 65,93,77,82 5th grade=?

Q: I have a 79% in my earth and space class and I have a final worth 50 points if I get a 100 percent…

A: Given information: The current grade (C) is 79%. The grade that is wanted on the final (G) = 100%.…

Q: for a sport radio show, you are asked to research the question whether more home runs are hit

A:

Q: The value of a share of stock on the stock market decreased by 22% if it used to be worth $17.78,…

A:

Q: During the 2019-2020 NBA season, a team played just 65 games instead of 82. They lost 35 more games…

A:

Q: If Tashi scores an 85, 87, and 89 on his first three tests, what must he score on his fourth test so…

A: Mean of data series

Q: Going into the final exam, which will count as two tests, Brooke has test scores of 80, 83, 71, 61,…

A: To find: The final score to achieve the average score of 80. Given: The Person B test scores are…

Q: A season has 81 home Games. If you purchase a season ticket in the bleacher section, what is the…

A:

Q: A quiz is worth 120 points and your score is 90% how many points did you earn?

A: GivenA quiz is worth = 120 pointsyour score=90%

Q: Gonzalo enrolled in a class where the homework counts as 30% of the final average, two midterm exams…

A:

Q: After taking several practice tests, Brian improved the results of his GRE test by 30%. Given that…

A:

Q: John has grades of 86, 88, and 78 on his first three tests in geometry. If he wants an average of at…

A:

Q: Susan scored 82%, 75%, 77%, and 85% on the first four tests. What must she score on the fifth test…

A:

Q: If you place a 25-foot ladder against the top of a 24-foot building, how many feet will the bottom…

A: Consider the following figure: AB represents the building. AC represents the ladder.

Q: On four exams,Wallace's grades were 79,93,91 and 68. what grade must he obtain on his fifth exam to…

A: Let Wallace's grade in the 5th exam be x.

Q: which estate had the greatest amount of people?

A: here use given graph

Q: What percent of students who took the test have a score greater than 1300? If 5000 students took the…

A:

Q: Scott has grades of 86, 75, 79, and 95. If all of the grades count the same, what is the lowest…

A: Avarage value of five exams

Q: Can you solve letter D from the posted question?

A:

Q: If you place a 5-foot ladder against the top of a 4-foot building, how many feet will the bottom of…

A:

Q: A librarian noticed that 60% of seventh graders checked out fantasy books. About how many of 240…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A student missed 40 problems on a physics test and received a grade of 47%. If all the problems were…

A: Given data, the student missed 40 problems and received a grade of 47%. Let x be the number of…

Q: a driver drove 50 miles in 50 minutes. How many miles per hour was he driving?

A: We have to find miles per hour

Q: Each of the 25 students in Mr. McDonald's class sold 16 raffle tickets. If each ticket costs $15,…

A: 3. Given Data: The number of students in the class is: N=25 The number of tickets sold by each…

Q: The property managers of Oakridge Apartments recently oversaw the installation of a new swimming…

A: Out of 100 residents 82 were satisfied

Q: On a test, if 115 questions are answered and 41% of them are correct, what is the number of the…

A:

Q: A student has an average of 88 on seven chapter tests. If the student's score on six of the tests…

A:

Q: A patient is administered a dose of 50 mg of a drug. If she is hooked to an IV that injects an…

A:

Q: On a certain test, the average passing score is 72 while the average failing score is 50. If the…

A: Lets say there are 'm' number of students a1, a2,.........am passed the test and 'n' number of…

Q: LEILA ANSWERED 21 OUT OF 25 TOTAL QUESTIONS CORRECTLY ON HER SPANISH TEST. IF EACH QUESTION IS WORTH…

A: Basics of Mathematics.

Q: On a test, 95% of the questions are answered correctly.  If 57 questions are correct, how many…

A: The aim is to find the number of questions on the test.Here, the number of question answered…

Q: If you place a 13-foot ladder against the top of a 12-foot building, how many feet will the bottom…

A: Pythagorean formula a2+b2=c2

Q: Three-fourth of the students in the class have an average IQ of 120 and the rest have an average IQ…

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.