Part A Which equation shows the best way to use compatible numbers to estimate 550 - 6?
500 + 4 = 125
540 = 6 = 90
600 -5 = 120
490 - 7 = 70
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Part B
Divide. Enter your answers in the boxes.
550 - 6 =
IR
I

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

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