Answer:
Franco has 66 baseball cards.
Step-by-step explanation:
This question can be solved by a system of equations.
I am going to say that:
x is the number of baseball cards that Franco has.
y is the number of baseball cards that Juan has.
Franco has 18 fewer baseball cards than Juan.
This means that:
[tex]x = y - 18[/tex]
Also:
[tex]y = x + 18[/tex]
Together they have 150 baseball cards.
This means that:
[tex]x + y = 150[/tex]
Since [tex]y = x + 18[/tex]
[tex]x + x + 18 = 150[/tex]
[tex]2x = 132[/tex]
[tex]x = \frac{132}{2}[/tex]
[tex]x = 66[/tex]
Franco has 66 baseball cards.
