Keida143 Keida143

16-02-2017
Mathematics

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The sum of their speeds is 180 miles per hour superman is 20mph faster than Desperado how fast is each roller coaster

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kellerpaula kellerpaula

16-02-2017

Superman is 100 mph

Desperado is 80 mph

there total speed is 180 mph and Superman is 20 mph faster

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