Answer:
246
Explanation:
Establish variables
x = day 1
y = day 2
z = day 3
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Given
x+y+z = 246
x=79
y = z+47
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Substitute x and y into the first equation and solve for z
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79 + z+47 + z = 246
Combine like terms
2z = 246 - 79 - 47
2z = 120
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Divide both sides by 2
highlight%28z+=+60%29people
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Check cartoon%28%0D%0A79+%2B+%2860%2B47%29+%2B+60%2C%0D%0A79+%2B+107+%2B+60%2C%0D%0A246%29