# Algebra

posted by .

a colection of stamps consist of 2 cent stamps, 8 cent stamps, and 14 cent stamps. The number of 2 cent stamps is five more then twice the number of 8 cent stamps.the number of 14 cent stamps is three times the number of 8 cent stamps. The total value of the stamps is \$2.26. Find the number of each type of stamp in the collection.

• Algebra -

Letting x, y, and z equal the numbers of .02, .08 and .14 cent stamps.

1-x = 2y + 5
2-z = 3y
3-.02x + .o8y + .14z = 2.26
4-Times 100 yields 2x + 8y + 14z = 226
5-Substituting (1) and (2) into (4) yields
..2(y + 5) + 8y + 14(3y)
6-Can you take it from here?

• Algebra1 -

Kevin has a total of 92 coin collection .this 8 more than three times the number of quarters in the collections .How many quarters does Kevin have in his collections

## Similar Questions

1. ### math

suppose you bought some 32 cent stamps and some 20 cent stamps. you spent \$3.92 for 16 stamps. how many of each stamp did you buy?
2. ### Math(Algebra)

Joe, using only .32 cent stamps and .20 cent stamps, put \$3.36 postage on a package he sent to his sister, he used twice as many .32-cent stamps as 20-cent stamps. How many of each stamp did he use.....please help me .this is driving …
3. ### math

A stamp collection consists of 3, 8, and 15 cent stamps. The number of 8 cent stamps is one less than triple the number of 3 cent stamps. The number of 15 cent stamps is six less than the number of 8 cent stamps. The total value of …
4. ### algebra 1

plz explain how to do this in detail: using only 39 cent and 24 cent stamps, charlie put \$7.14 postage on a package he mailed to his sister. if he used twice as many 39 cent stamps as 42 cent stampsp, how many 24 cent stamps did he …

A man went to a post office to buy stamps. He bought x, 50 cent stamps and y, 25 cent stamps for \$3.50. If he bought twice as many 50 cent stamps and half as many 25 cent stamps, the cost would be \$4.75. Evaluate x and y
6. ### algebra

An executive bought 300 stamps for \$73.80. The purchase included 15 cent stamps, 20 cent stamps, and 40 cent stamps. The number of 20 cent stamps is four times the number of 15 cent stamps. How many 40 cent stamps were purchased?
7. ### Math

On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as 16-cent stamps, how many of each type of stamp must she use to mail a package costing \$5.76 in postage?
8. ### Math

On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as 16-cent stamps, how many of each type of stamp must she use to mail a package costing \$5.76 in postage?
9. ### Math

On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as 16-cent stamps, how many of each type of stamp must she use to mail a package costing \$5.76 in postage?
10. ### Math

Mr. Dinkelspiel bought \$32.56 worth of stamps. He bought 20 more 19-cent stamps than 50-cent stamps. He bought twice as many 32-cent stamps as 19- cent stamps. How many of each kind did he buy?

More Similar Questions