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24 October, 08:58

A computer technician charges a flat rate for home vist plus $55 per hour. The technician bills $190 for a 2-hour home vist to install a new hard drive. The equation y-190=55 (x-2) gives the total amount y the technician charges for x hour of work. What is the equation in slope-intercept form?

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  1. 24 October, 09:15
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    Y - 190 = 55 (x - 2) ... distribute thru the parenthesis

    y - 190 = 55x - 110 ... now add 190 to both sides

    y = 55x - 110 + 190 ... simplify

    y = 55x + 80 < = = slope intercept form (y = mx + b)
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