The are both equal bc you use the graphing method or I was taught that
If each gallon is $2.85, you multiply $2.85 by however many gallons you buy. so, 1.6 x $2.85 = $4.56.
3X+28=200
X represents the amount of money each friend gets
I think the first one c and the second one a
Combine like terms. Note that both have the same amount of variables
-5r - 3r = -8r
-8r is your answer
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