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Jonathan has 8 stamps.some are 3 cent stamps and some are 5 cent stamps.if the total value of the stamps is 36 cents. How many of each type of stamp does he have ?
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Mar 25, 2019
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Jonathan has 8 stamps.some are 3 cent stamps and some are 5 cent stamps.if the total value of the stamps is 36 cents. How many of each type of stamp does he have ?
Mathematics
high-school
HasanToufiqAhamed
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let x= number of 3 cent stamps
let y=number of 5 cent stamps
x+y=8
3x+5y=36
3x+5y=36 3x-5y=36
-3(x+y=8) . -3y-3y=-24
2y=12
y=6
x+6=8
-6 . -6
x=2
There will be 2 3 cent stamps and 6 5 cent stamps
Luhar
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Mar 29, 2019
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