Answer:
Step-by-step explanation:
Given
Required
Determine the change in temperature
This is calculated by:
Substitute values for New and Initial Temperatures
Hence, the change in temperature is:
<u><em>Answer is in bold</em></u>
Harry can first substitute 30 for t. He can then multiply by 30 to get a product of 10. Since 15 is equal to 30 × 1/2, Harry's solution is not correct.
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Answer:A
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