SOLUTION: You have 100 stamps that have a total value of $31.02. Some of the stamps are worth 24 cents each and the others are worth 37 cents each. How many stamps of each type do you have
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Question 775415: You have 100 stamps that have a total value of $31.02. Some of the stamps are worth 24 cents each and the others are worth 37 cents each. How many stamps of each type do you have?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
24c stamps = x
37c stamps = y
x + y = 100...1
24x + 37y = 3102...2
Multiply (1) by 37
37x + 37y = 3700...3
24x + 37y = 3102...2
Subtract (2) from (3)
13x = 598
x = 46
Substitute x = 46 in (1)
x + y = 100
46 + y = 100
y = 100 - 46
y = 54
There are 46x24c and 54x37c stamps
Hope this helps.
;-)
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