Answer:
Bag 3!
Step-by-step explanation:
HINT DIVIDE PRICE WITH LBS THEN YOU WILL GET YOUR ANSWER
Bag 1: 40 lbs @ $49.00 = 1.23
Bag 2: 20 lbs @ $23.44 = 1.17
Bag 3: 8 lbs @ $9.88 = 1.24
BAG 2 HAS THE LOWEST PRICE
Reminder divide LBS BY THE PRICE
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y = 4x -5
y = mx+b
m = slope
b = y-intercept
so y= 4x -5
b = 5.
-3(6 + 6b) + 4 = -104
-18 - 18b + 4 = -104
-18b = -104 + 18 - 4
-18b = -90
b = -90 / -18
420