SOLUTION: Ms.Mynm bought 54 stamps for $12.00. She bought three times as many 39 cent stamps as 63 cent stamps, and the rest were 4 cent stamps. How many of each type did she buy? 63 cent

Question 371699: Ms.Mynm bought 54 stamps for $12.00. She bought three times as many 39 cent stamps as 63 cent stamps, and the rest were 4 cent stamps. How many of each type did she buy?
63 cent 39 cent 4 cent

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Ms.Mynm bought 54 stamps for $12.00. She bought three times as many 39 cent stamps as 63 cent stamps, and the rest were 4 cent stamps. How many of each type did she buy?
63 cent 39 cent 4 cent
x 3x 54-(3x+x)
...
63x+39*3x+4(54-4x)=1200
63x+117x+216-16x=1200
164x+216=1200
164x=1200-216
164x=984
/164
x= 984/164
x= 6
39cent = 3x= 18
4 cent =(54-4x)=(54-24)=30
...
m.ananth@hotmail.ca
RELATED QUESTIONS
Allan bought some 5 cent stamps and some 20 cent stamps. The entire purchase was $7 he... (answered by oberobic)

Hailie bought 30 stamps for $41.94. Some of them were $3.00 stamps and the rest were... (answered by addingup)

Victor bought less than $8.40 worth of stamps. He bought 3 times as many 17cent stamps as (answered by josmiceli)

Kimberly bought 90 stamps in denominations of 41 cents, 58 cents and 75 cents. To test... (answered by ankor@dixie-net.com)

An account executive bought 300 stamps for $73.80. The purchase included 15 cent stamps,... (answered by Alan3354)

Carol bought 36 two-cent and three-cent stamps for $1.00. How many stamps of each kind... (answered by htmentor)

Denise bought 50 postage stamps for which she paid $13.00. Some were 20-cent stamps and... (answered by checkley77)

Jorge bought s 40 cent stamps and three times as many 25 cent stamps. How many dollars... (answered by Alan3354)

Cheryl buys a total of 100 stamps at the post office for $20.56. if che bought 5 cent... (answered by josmiceli)