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NNADVOKAT [17]
3 years ago
7

Margie has a $50 budget to purchase a $45 pair of boots. If there is an 8% sales tax rate, then how much under budget will Margi

e be.
Mathematics
2 answers:
klio [65]3 years ago
3 0
1.40 under budget I think, hope this is some help
serious [3.7K]3 years ago
3 0
To solve this multiply 45 by 1.08 (this will give you the price plus tax) which equals $48.60. Next Subtract this from 50 to get $1.40.

Margie will be $1.40 under budget.
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mylen [45]

\text{Let}\ k:y=m_1x+b_1\ \text{and}\ k:y=m_2x+b_2,\ \text{then}\\\\k\ \perp\ l\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\-------------------------\\\text{We have}\ 5x-y=-4.\ \text{Convert it to the slope-intercept form:}\\\\5x-y=-4\qquad\text{subtract 5x from both sides}\\\\-y=-5x-4\qquad\text{change the signs}\\\\y=5x+4\to m_1=5\to m_2=-\dfrac{1}{5}\\\\\text{Therefore we have}\ y=-\dfrac{1}{5}x+b.\\\\\text{The line passing through the point (-2, 2).}\\\text{Put the coordinates of the point to the equation:}

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