Dental check class

Class 7B is having a preventive dental check-up. Two dental caries were found in a quarter of the pupils and one caries in an eighth. Half of the class had all their teeth healthy. How many pupils go to class 7B if three pupils are absent on the day of the dental examination?

Final Answer:

n =  24

Step-by-step explanation:

4n+8n+2n+3=n  n/4+n/8+n/2+3=n  n=24



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Need help calculating a sum, simplifying, or multiplying fractions? Try our fraction calculator.
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?

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

algebranumbersGrade of the word problem

Related math problems and questions: