26-10-2020
Mathematics

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a roller coaster climbs 105 feet on the first hill then drops 30 feet down.on the second hill the roller coaster climbs another 50 feet then drops 20 feet. what is the height at the end of the second hill? write an addition expression and evaluate

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27-10-2020

Answer

105 - 30 +50 - 20 =105 feet

Step-by-step explanation:

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