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Question:
Christian and Yong had some stickers in the ratio 2:3.
After Yong gave Christian 15 stickers, the ratio became 5: 7. What was the total number of stickers they had?
Answer:
900
Step-by-step explanation:
Given that Christian and Yong had some stickers in the ratio 2:3.
Let Christian has 2x stickers and Yong has 3x stickers.
If Yong gave Christian 15 stickers, then Yong has 3x -15 stickers and Christian has 2x + 15.
The ratio becomes 5:7. So,
⇒
⇒
⇒
The total number of stickers they had is equal to 5x = 5(180) = 900.
Thus, the answer is 900.
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