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A number is increased by 84, it becomes 107% of itself. What is the number?
- A600
- B900
- C1500
- D1200
Answer not set
Discussion 1
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CCommunity
Let the number be yAccording to the problem statement
⇒ y + 84 = 107 × y/100
⇒ 84 = 1.07y – y = 0.07y
⇒ y = 1200
∴ the number is 1200
⇒ y + 84 = 107 × y/100
⇒ 84 = 1.07y – y = 0.07y
⇒ y = 1200
∴ the number is 1200