King's birthday

To celebrate the king's birthday, workers fire 1/5 all purchased rockets. To celebrate the Queen's birthday, fire 1/6 of the remaining rockets, and to celebrate the birthday of the king's son, the remaining 15,000 rockets. How many rockets did they purchase?

Final Answer:

x =  22500

Step-by-step explanation:


x-x/5-1/6·(x-x/5)=15000

20x = 450000


x = 450000/20 = 22500

x = 22500

Our simple equation calculator calculates it.



Help us improve the example. If you find a mistake, 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:

algebranumbersthemes, topicsGrade of the word problem

Related math problems and questions: