Question 1189680
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Always be open to trying different ways to solve problems.  The solution method shown by the other tutor is fine; here is a different one.<br>
Let x be the number of cards each of them FINISHED with.<br>
Then, since Craig had given 18 cards to Juan,<br>
x+18 = number Craig started with
x-18 = number Juan started with<br>
The number Craig started with was 7 times the number Juan started with:<br>
{{{x+18=7(x-18)}}}
{{{x+18=7x-126}}}
{{{144=6x}}}
{{{x=24}}}<br>
The total number of cards the two of them have is 2x=48.<br>
ANSWER: 48 cards altogether<br>