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प्रश्न
A number changes from −20 to 30. What is the increase or decrease in the number?
उत्तर
Change = Final Value − Initial Value
Given:
- Initial value = −20
- Final value = 30
Substitute the values: Change = 30 − (−20)
Change = 30 + 20 = 50
The number increased by 50.
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