document.write( "Question 551197: hugo paid 95.89 for a new pair of running shoes at the check-out register, he was charged a additional 8% what was the total costof the running shoes? \n" ); document.write( "

Algebra.Com's Answer #359598 by fcabanski(1391) $\"\"$ $\"About$

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When determining interest on a sale the formula is P = S(1+i) where P is the final price, S is the marked sales price and i is the interest or tax.

\n" ); document.write( "The wording of this problem isn't clear. If he paid $95.89 including the 8% (.08) tax and the problem asks for the marked price (before tax) then it's:

\n" ); document.write( "95.89 = S(1.08)
\n" ); document.write( "S = 95.89/1.08 = $88.79

\n" ); document.write( "If he paid 95.89 (the marked price) plus 8% (.08) tax then it's:

\n" ); document.write( "P = 95.89(1.08)=$103.56
\n" ); document.write( "

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