Homework Help: math

Posted by H on Sunday, August 17, 2008 at 6:29pm.

emily wants a new dress.she only has $30 to spend.she lives in florida where the sales tax is 5%.about(estimate)how much can the dress cost if she wants to spend all her money? $28 right

math - Ms. Sue, Sunday, August 17, 2008 at 6:32pm
$30 * 0.05 = $1.50

$30 - 1.50 = $28.50

$28.50 * 0.05 = $1.43

$28.50 + 1.43 = $29.93
math - Damon, Sunday, August 17, 2008 at 6:47pm
or
1.05 x = 30
x = 28.57 actually 28.57142857 but it is hard to split a penny that way
check
28.57+ .05(28.57) = 29.9985

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