Answer:
Step-by-step explanation:
1: find the perpendicular gradient - this is the negative reciprocal of the original gradient:
2: Substitute in the coordinate to find the value of c:
3: Put it all together:
At the school store, pencils sell for $.12 each. The pencils come in boxes of 30. The school store buys each box for $2.00.
2 answers:
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