Mistake
Nicol needs to correct errors when calculating in school. Instead of adding the number 20, she subtracts it.
What is the difference between the result and the correct result?
What is the difference between the result and the correct result?
Correct answer:
Tips for related online calculators
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
You need to know the following knowledge to solve this word math problem:
algebraarithmeticnumbersGrade of the word problem
Related math problems and questions:
- Self-counting machine
The self-counting machine works exactly like a calculator. The innkeeper wanted to add several three-digit natural numbers on his own. On the first attempt, he got the result in 2224. To check, he added these numbers again, and he got 2198. Therefore, he - Brooke
Brooke divided 2/3 by 1/6 and got 1/9. Her classmate told her that she wasn't correct. What do you think went wrong with Brooke's solution? Explain your answer in 2 - 3 sentences. - Correcting mean
The average of 10 numbers is calculated as 25. It is discovered later on that while calculating the average, one number, namely 36 was wrongly read as 56. Find the correct average. - The difference 6
The difference between a number and 15 is multiplied by -3, and the result is - 30 - Dolores
Dolores has some cookies and does not want to tell the exact number. Instead, she gives a riddle. First, multiply the number by 2. Then, add 2000 to the result. After dividing the answer by 2, the result is 1036. How many cookies does Dolores have? - Examination 2
A teacher awards two marks for every correct answer and subtracts a mark for every wrong answer in an examination. If there were 20 questions and a child scored 25 marks, how many correct answers did the child get? - Honored students
Of the 25 students in the class, ten are honored. How many ways can we choose five students from them if there are to be exactly two honors between them?
