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Joe wanted to know more about how the cost of fertilizer for his lawn-care business was changing.  The cost of a bag of fertilizer just increased from $8 to $15. What is the percentage increase of the price? Represent the change as a fraction, percent, and decimal.



Answer :

price of a bag of fertilizer increased from $8 t0 $15
thus the price increase =    $7
% increase = 7/8 * 100 =  87.5%
in decimal    =    0.875                      divide by 100
in fraction    =      875/1000

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