<span>Let the age of the 4th person be F
Sum of the 1st four in line: 4(23), or 92
Sum of 1st 3: 92 - F (excludes the 4th person's age)
Sum of the last 3 in line: 3(34), or 102
</span><span>Sum of last 2: 102 - F (excludes the 4th person's age)
Sum of all 6: 6(27), or 162 (INCLUDES 4th person's age)
We now get: F + 92 - F + 102- F = 162
- F + 194 = 162
- F = 162 - 194
- F = - 32
F, or 4th person's age = -32/-1, or 32
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It's 5/2 not simplified and 2.5 simplified
Answer:
I would say A. it makes the most sense.
What was i correct was the 2nd step since when multiplying -2x-6 it would be a positive 12 not a negative :)
Answer:
There are 633.177245 miles in 1019 km.
