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Answer:
74.4%
Step-by-step explanation:
Given data
Initial price=$1.25
Final price= $2.18
Required
The percent increase
%increase= FInal-initial/ initial*100
substitute
%increase= 2.18-1.25/ 1.25*100
%increase= 0.93/ 1.25*100
%increase= 0.744*100
%increase= 74.4%
Hence the percent increase is 74.4%