caitlin29pretty caitlin29pretty

30-10-2018
Mathematics

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Is Georgina travels 355 km in seven hours how far will she travel in 8.5 hours at the same rate

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wegnerkolmp2741o wegnerkolmp2741o

30-10-2018

355 km /7 hrs = x km/ 8.5 hrs

using cross products

355 * 8.5 = 7*x

divide by 7

355*8.5/7 =x

355/7 * 85/10

30175/70

431 5/70

x = 431 1/14 miles

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