Homework Help: math

Posted by maddy on Monday, August 11, 2008 at 5:28pm.

which of the following represents a change from 32 to 40?
a- an increase of 20%
b- an increase of 25%
c- an increase of 8%
d- a decrease of 20%

i dont want to know the answer to the question i would just like to know how to solve it. please help! thank you!!

math - student, Monday, August 11, 2008 at 5:39pm
i remember correctly i had this on one of my homeworks . 40-32 = 8 therefore 8%

because if you subtract 40 - 8%
math - maddy, Monday, August 11, 2008 at 5:51pm
thank you so much<3
math - bobpursley, Monday, August 11, 2008 at 5:56pm
Percent change=(final-initial)/initial * 100
= (40-32)/32 *100

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