Ingrid dug a trench 18/20 of a meter long. the next day she dug 9/20 of a meter more of the trench. what is a reasonable estimat
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First, square both sides (d.) leaving 3x + 1 = 16
Second, subtract 1 from both sides (a.) leaving 3x = 15
Third, divide by 3 from both sides (e.) leaving x = 5
Answer: First D, then A, then E