Spending 5

A boy spends 3/4 of his pocket money, and then 4/5 of the remainder is given to his sister. If he has 40 left, what did he have at first?

Final Answer:

x =  800

Step-by-step explanation:

43 x+54 (x43 x)+40=x  3/4 x+4/5 (x3/4 x)+40=x  x=800



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:

algebranumbersUnits of physical quantitiesGrade of the word problem

Related math problems and questions: