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14-12-2018
Mathematics

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hattawayhomeschool hattawayhomeschool

16-12-2018

Answer:

see below PLEASE GIVE BRAINLIEST

Step-by-step explanation:

Rate on still sidewalk : 49 ÷ 7 = 7 ft per second

Rate of moving sidewalk : 77 ÷ 7 = 11 ft per second

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