Prospering students

There are 30 girls and 30 boys in the class. Boys are prospering 28, girls all. If all the prospering students are 95%, how many girls are in the class and how many boys are there?

Final Answer:

d =  10

Step-by-step explanation:

(28+d)/(30+d) = 0.95  (28+d)=0.95 (30+d)  0.05d=0.5  d=0.050.5=10  d=10



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.
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
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:

algebrabasic operations and conceptsnumbersGrade of the word problem

Related math problems and questions: