Three friends split the cost of pizza and a salad. The pizza costs $15 and the salad costs $6.
2 answers:
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Simple....
you have:
(-15,70) and (5,10)
Using-->>
Using y=mx+b...and any of the coordinates....
70= -3(-15)+b
70=45+b
70=45+b
-45 -45
25=b
y=-3x+25
Thus,your answer.
you have:
(-15,70) and (5,10)
Using-->>
Using y=mx+b...and any of the coordinates....
70= -3(-15)+b
70=45+b
70=45+b
-45 -45
25=b
y=-3x+25
Thus,your answer.
