Question 1138993
J, how many that Juan has
J-18, how many cards that Franco has
150, total number of cards


{{{j+(J-18)=150}}}

{{{2J=150+18}}}
{{{J=75+9}}}
{{{J=84}}}
-
{{{highlight(66)}}}-------------Franco has 66 cards.




check:  66+84=140+10=150