SOLUTION: Translate to an equation: p $40 pants and s $20 shirts total $160 Graph the equation and use the graph to determine three different combinations of pants and shirts that tota

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Question 446389: Translate to an equation:
p $40 pants and s $20 shirts total $160
Graph the equation and use the graph to determine three different combinations of pants and shirts that total $160.
Answer by jorel1380(3719)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: DESCRIBE a linear EQUATION: slope, intercepts, etc
Equation describes a sloping line. For any
equation ax+by+c = 0, slope is .
  • X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x = c/a. 160/40 = 4.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 160/20 = 8.
  • Slope is -40/20 = -2.
  • Equation in slope-intercept form: y=-2*x+8.

Points (4,0)(3,2)(2,4)..
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