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Jessica increases the temperature of a block of ice by 20º. Which integer represents the amount by which Jessica must change the temperature for the block of ice to return to its starting temperature?
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Jessica increases the temperature of a block of ice by 20º. Which integer represents the amount by which Jessica must change the temperature for the block of ice to return to its starting temperature?

User Alexandru Irimiea
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-20° is the integer represents the amount by which Jessica must change the temperature for the block of ice to return to its starting temperature. Hope it help!
User Rain Man
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