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AleksandrR [38]
3 years ago
8

The sum of three consecutive numbers is 243. What is the third number?

Mathematics
1 answer:
marishachu [46]3 years ago
3 0
Three consecutive numbers can be written as x, x+1, and x+2, but they also can be written x, x-1, and x-2 where x is the biggest number.

sum means adding... so

x + x - 1 + x - 2 = 243
combine like terms and solve for x!
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