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natalie0908
08.12.2019 •
Mathematics
The sum of three consecutive odd numbers is 243.what are the numbers?
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Ответ:
79, 81, and 83
Step-by-step explanation:
the sum of three consecutive odd numbers is the same as the sum of the middle one used three times .
243÷3=81, that's the middle one
81-2=79, that's the first one
81+2=83 , that's the third one
Hope this helps.
Ответ:
{79, 81, 83}
Step-by-step explanation:
Represent these consecutive odd numbers by x, x + 2, x + 4.
Their sum is x + x + 2 + x + 4 = 243.
Combining like terms, we get:
3x + 6 = 243, or
3x = 237
Dividing both sides by 3, we get:
x = 237/3 = 79
Thus, the first number is 79, the next is 79+2, or 81, and the last is 81 + 2, or 83: {79, 81, 83}
Ответ: