Number of stickers on maddies notebook are 10
let us assume ,
number of stickers maddie have = M
number of stickers meg have = Y
number of stickers on maddie = 2 X number of stickers meg has
M = 2Y
according to ques :
M+ Y = 15
2Y + Y = 15
3Y = 15
Y = 5
M= 10
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