see royal mail website for sizes and weights
To mail a 9x6 envelope weighing 2 ounces, you would typically need to use the current postage rates from the United States Postal Service (USPS). As of 2023, the cost for mailing a standard letter (which generally includes envelopes of this size) weighing up to 2 ounces is usually around $1.00. However, it's always best to check the latest rates or use a postage calculator on the USPS website for the most accurate information.
9x6=54
448 9x6 tiles.
Letters up to 6' 1/8' by 11' 1/2" that weight under 1 oz are $.45 cents to mail from US city to US city. Here is the link to the information: https://www.usps.com/send/first-class.htm www.dailymischief.com
54
54
54
9X6=54
648 is the answer.
9x6 = 54
That's a total of 378