keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above
well then therefore
so we're really looking for the equation of a line with slope of -1/3 and that passes through (1, -3 )
The exchange rate for US Dollars to Euros is currently $1 = 0.86 €. You’ve budgeted that you will need 500 Euros for a trip to F
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