Let ' T ' = the number of 3-cent stamps. Furthermore, let ' F ' = the number of 5-cent stamps. T + F = 51, ===> so F = 51 - T 3T + 5F = 223 3T + 5(51-T) = 223 3T + 255 - 5T = 223 -2T = -32 T = 16 ===> so F = 35
Making Postage: Mak found more than 50 3-cent and 5-cent stamps in a desk. His uncle needed 87¢ worth of postage to mail a package and asked Mak if he could use some of these stamps. How many different combinations of the stamps could Mak give his uncle to make exactly 87¢ of postage.???????
3/4 dozen or 0.75 dozen.
5 cent
36 makes 3 dozen
a dozen
12
22 stamps
You need 3 stamps, two 44 cent ones, and a 10 cent one to make up the 98 cent requirement.
356891011121314151617181921222427total 22 different amounts of postage
18 8cent stamps and 22 3cent stamps
Let ' T ' = the number of 3-cent stamps. Furthermore, let ' F ' = the number of 5-cent stamps. T + F = 51, ===> so F = 51 - T 3T + 5F = 223 3T + 5(51-T) = 223 3T + 255 - 5T = 223 -2T = -32 T = 16 ===> so F = 35
{| |- | Given that description, the stamp could be one about a dozen different Jefferson 1 cent stamps. You will have to provide better identification or a Catalog Number. Check in your local library for catalogs that can help you narrow down the exact stamp. Consult a stamp catalog such as Scott's, for a description on how stamps are rated and graded. |}
Yes.
Making Postage: Mak found more than 50 3-cent and 5-cent stamps in a desk. His uncle needed 87¢ worth of postage to mail a package and asked Mak if he could use some of these stamps. How many different combinations of the stamps could Mak give his uncle to make exactly 87¢ of postage.???????
Scott Specialized Catalog of US Stamps 2011 has a section for vending machine stamps. Titled 'Vending & Affixing Machine Perforations on pages 521 to 526. There are over 100 - 1 cent & 3 cent stamps in this section. Values range from about $1 to $1000's of dollars. Identification of these vending machine stamps are very specific for each stamp because of issue and perforations.
3/4 dozen or 0.75 dozen.