# Arithmetic 65324

Martin has an arithmetic average of 2.8 out of five history grades. If he only gets one from now, how many ones would he have to get at least so that the arithmetic mean of his history grades is less than 2?

### Correct answer:

Tips for related online calculators

Looking for help with calculating arithmetic mean?

Looking for a statistical calculator?

Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

Looking for a statistical calculator?

Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

#### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Sons

The father has six sons and ten identical, indistinguishable balls. How many ways can he give the balls to his sons if everyone gets at least one? - Mathematics 7806

Janko has committed that his average grade in mathematics will be exactly 2 at the end of the semester. However, so far, he has received grades 3 and 4. He knows that by the end of the year, he will receive four more grades from the tests. What are the wo - Subsequent 3312

We have to distribute the amount of 1200 euros to the five successful solvers of the Olympics so that the second and each subsequent one gets 50 euros less than the previous one. How many euros did each get? - Tests

To obtain a grade A, Patrick must score an average of at least 70 on five tests. If his average mark for the four tests is 68, what is the lowest mark he can get on his fifth test and still obtain a grade A - Arithmetic 64394

Karolína does not want to reveal at home what grades she will get on her report card. She said only this: "There will be 8 marks on the report card, their arithmetic mean is 2.125, the median is 2, the mode is 1, and I will not have any 2's. How many four - A bag 2

A bag contains seven green and eight red jellybeans. How many ways can five jellybeans be withdrawn from the bag so that the number of green ones withdrawn will be less than 4? - One-sixth 3279

If I had half as many nuts as I have now, I would have the same as Vendulka. If Vendulka had a third less than she has now, she would have the same size as me. If she had one-sixth less than she has and gave me that part, we would have the same amount. Ho - Complaining 9611

Ondra, Matěj, and Kuba are returning from collecting nuts. They have a total of 120. Matěj complains that Ondra has the most as always. The father orders Ondra to sprinkle it on his Matěj so that the number of nuts doubles. Now Cuba is complaining that he - Coins

Denis and Zdeno together have 97 coins. If Denis had four coins less than he has now, the coins would be in the ratio 14:17. Determine the number of coins owned by Denis and Zdeno. - Beginning 2711

Jano likes to play various games for beans. He recently played two games with Peter. In the first game, he won 32 beans; in the second game, he lost 75 beans. How was Jano after these two parties? Did he have more or less beans than at the beginning? And - Contains 5683

Livia, Pavla, and Samuel collect knives. Pavla has more of them than Livia and Samuel combined. Livia only contains blades for a short time, so she only has 5 of them, which is the least. He has a total of 25. How many knives does Samuel have? - Bonuses

Five company employees were paid bonuses, so each successor received 550 USD less than the previous employee. How much did everyone get if a total of USD 11,000 has paid? - Certificate 4615

Maroš received hockey cards as a reward after his certificate. The number of cards he received is twice the sum of the marks on his report card. Maroš has 8 subjects, and his average grade on his report card was 1.75. How many hockey cards did Maroš get? - Sequences AP + GP

The three numbers that make up the arithmetic sequence have the sum of 30. If we subtract from the first 5, the second 4, and keep the third, we get the geometric series. Find AP and GP members. - Five-minute 80951

Karel has an average grade of exactly 1.12 from five-minute episodes. Prove that at least 22 of them have one. - Sweets, candy

Grandfather gave out sweets to four children. At the last moment, two more children came, so to have them all the same, each of the four children would receive four candies less than they would have received if they had not. How much did my grandfather ha - Probability 47373

We were tasked with throwing the dice until we hit the "six." a) Find the average number of throws we will have to make to complete the task. b) How many times do we have to roll the dice so that the probability of falling at least one "six" is at least 9