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"if a 40-pound weight stretches the spring 4 inches, ,find the distance that a 45-pound weight stretchs the spring"
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"if a 40-pound weight stretches the spring 4 inches, ,find the distance that a 45-pound weight stretchs the spring"

User Andrew Spencer
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1 Answer

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40=4x then 45=4.5x solving "x" as 1 in per 10 pounds. 
User Avishek Bhattacharya
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