David y Almudena tienen entre los dos 225 euros. Calcula cuánto dinero tiene cada uno si Almudena posee 75 euros más que David.

David and Almudena have between the two 225 euros. Calculate how much money each has if Almudena has 75 euros more than David.

For this case we propose a system of equations:

x: Let the variable that represents Almudena's amount of money

y: Let the variable that represents David's amount of money

According to the statement we have:

Substituting the second equation into the first:

We find the value of the variable x:

Almudena has 150 euros

David has 75 euros

Almudena has 150 euros

David has 75 euros

56

step-by-step explanation: