The cost to mail a letter in the United States in 2008 was $0.41 for the first ounce and $0.26 for each additional ounce. The following equation can be used to count the cost for mails based on the weight. C = 0.41 + 0.26 (z - 1). Solve the equation for z.

The cost to mail a letter in the United States in 2008 was 041 for the first ounce and 026 for each additional ounce The following equation can be used to count class=