Brightstorm Q & A : If the length of a football field is 109.7 meters, how many times would you have to run BACK AND FORTH across the length of a football field to run about 1 km? Explain how you found your answer.

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answer #1

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5 times1000/109.7/2 = 4.55 = 5 (1 s.f.)

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rickwtj March 26, 2011

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If you run one time back and forth you cover 109.7+109.7=219.4metersTo cover 1 km,1000m you make1000/219.4=4.6

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chitra003 March 27, 2011

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