River C : 200 + x
River D: x
200 + x + x = 5,540
combine like terms
200 + 2x = 5,540
subtract 200 from both sides
2x = 5,340
divide both sides by 2 to isolate the variable
x = 2, 670
River C: 200 + x = 200 + 2,670 = 2,870
River D: x = 2,670
2,870 + 2,670 = 5,540
2/3 becuase 2/3 in 4/7 is like 4.5/7
16x - 3x = x is the Given,
16 = 4x is the Addition Property of Equality,
and
4 = x is the Division Property of Equality!
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R+60= Donnas bottle number
Answer:
Let me look some things up.
Step-by-step explanation:
Then I will get back to you
