SOLUTION: Mrs. Smith bought some $0.20 stamps and an equal amount of $0.32 stamps. She paid a total of $5.20 for all the stamps. How many of each stamp did she buy?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: Mrs. Smith bought some $0.20 stamps and an equal amount of $0.32 stamps. She paid a total of $5.20 for all the stamps. How many of each stamp did she buy?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 991761: Mrs. Smith bought some $0.20 stamps and an equal amount of $0.32 stamps. She paid a total of $5.20 for all the stamps. How many of each stamp did she buy?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
x = number of $0.20 stamps
y = number of $0.32 stamps

x = y
0.2x + 0.32y = 5.2

Substitute:
0.2x + 0.32x = 5.2
0.52x = 5.2
x = 10

Mrs. Smith bought 10 of each stamp.