Julio can buy a box of 20 pencils for $2.80. What is the unit rate in dollars per pencil?
1 answer:
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Answer: m (the slope) = 1/7
Step-by-step explanation:
The slope formula is attached. When you plug in the numbers, you get 1/7 -
0 - 1 / -7 - 0
Y is the total price. X is the number of months. 30 is a flat, one time payment.