
Elina N. answered 01/25/15
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Experienced Chemistry Tutor Regents, SAT, College
To solve this you can set up a proportion. If the original number is 100% 54 would be 108% of the original. (Since it was increased by 8%).
54-----108%
x-------100%
solving the proportion gives you
54 * 100= 108 * x
x= (54* 100)/108
x= 50