She can water 12 plants because 3,000 divided by 250 equals 12.
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A: Equilateral
B: Obtuse
C: Obtuse
D: Right
E: Obtuse
F: Acute
Answer:
17, 19, 21
Step-by-step explanation:
x = first number
x+2 = second number
x+4 = third number
4x + 3(x+2) + 2(x+4) = 167
simplify:
4x + 3x + 6 + 2x + 8 = 167
combine like terms:
9x + 14 = 167
subtract 14 from each side of the equation:
9x = 153
divide both sides by 9:
x = 17
