Question 1061086: In January 2013, a country's first-class mail rates increased to 55 cents for the first ounce, and 22 cents for each additional ounce. If Sabrina spent $22.11 for a total of 57 stamps of these two denominations, how many stamps of each denomination did she buy?
Answer by ikleyn(52794)   (Show Source):
You can put this solution on YOUR website! .
In January 2013, a country's first-class mail rates increased to 55 cents for the first ounce, and 22 cents for each additional ounce.
If Sabrina spent $22.11 for a total of 57 stamps of these two denominations, how many stamps of each denomination did she buy?
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55n + 22(57-n) = 2211.
Simplify and solve for "n", the number of the first-class mail stamps.
Answer. 29 first-class mail stamps. 57-29 = 28 of 22 cent stamps .
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