meria and sara together had collected 550 foreign stamps. sara had 40 stamps more than double the number of stamps merin had. find the number of stamps each one collected..?
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Let the number of stamps Merin had be 'x'
Sara has 40 more than double of x
Sara has 2x+40 stamps
Total number of stamps is 550
2x+40+x=550
3x=510
x=170
Merin has 170 stamps
Sara has 380 stamps
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