Eric got $70 for his birthday. He plans to use some of this money to buy a new video game, but he wants to have at least $14 rem
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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
Answer:
Almudena has 150 euros
David has 75 euros