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Upper primary school mathematics question UPQ349
At first Sarin had twice as many stickers as Hairu. After Sarin had given away 285 of his stickers, Hairu had twice as many stickers as Sarin. How many stickers did they have altogether at first?
Sarin’s stickers is two times more than Hairu’s stickers at first
After Sarin given away 285 stickers,
Hairu’s stickers is two times more than Sarin’s stickers
Draw the math model
Per the model,
Total number of stickers equal to 6 units
The number of stickers given away is equal to 3 units of total stickers
3 units = 285
1 unit = 95
The number of stickers they had at first = 6 × 95 = 570