How do you find the percent change if original: 231.2 mph and new: 236.4 mph?

1 Answer
sankarankalyanam
Mar 20, 2018

color(purple)( " Percentage change in speed " = 2.25% Percentage change in speed =2.25%

Explanation:

Original speed O = 231.2 " mph"O=231.2 mph

New speed N = 236.4 " mph"N=236.4 mph

Percentage change in speed is given by the formula,

"Change " C = ((N - O) / O) * 100Change C=(N−OO)⋅100

C = ((236.4 - 231 2) / 231.2) * 100C=(236.4−2312231.2)⋅100

# => (5.2 * 100) / 231.2 = 2.25%

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