Lesson: Double Matrix Method

Comment on Double Matrix Method

Hi Brent,
May you please share the photos of these matrix in the exercises below?
On gmat.com their are not available and I would like to see them.
https://gmatclub.com/forum/in-a-class-of-120-students-80-enrolled-for-a-mathematics-seminar-326020.html

If you need, send everything please to my mail.

Thanks,
Thanks
https://gmatclub.com/forum/how-many-of-the-90-laptop-computers-sold-in-january-by-online-retailer-382989.html
gmat-admin's picture

I think there may be a problem with your web browser, because I can see all of the graphics for those questions.
That said, I have taken some screenshots of my solutions on GMAT Club.

Here's my solution to the first question: https://imgur.com/5Ddie8d
And the second question: https://imgur.com/oqKQ5VS

Thank you!!

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