Answer:
4 cups = .25 gallons
Step-by-step explanation:
4ox-16=4[10x-4]this is because 4 is the common factor in both 40and 16
16x-24x-4±12=4[4x-6x-1±3]
-8x-8=8[-1-1]
Mark = 16
Max = 8
16 + 8 = 24
144/24 = 6
Option D. 6 months
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