A group of hikers has a trek of 6 days to reach Mt. Apo. They traveled 15 km on ...

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September 2022 1 0 Report

A group of hikers has a trek of 6 days to reach Mt. Apo. They traveled 15 km on the 1st
day, 13 km on the 2nd day, 11 on the 3rd day, and so on. How many kilometers did they
travel to reach Mt. Apo?

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AGboii

Verified answer

$\large\underline{ \mathcal {SOLUTION}}:$

From the problem

A1 = 15
A2 = 13

We get the common difference:

D = A2 - A1
D = 13 - 15
D = -2

$\\$

Now , we get the sum by substituting the values to the formula:

Sn = n/2 [ 2a1 + (n-1)d ]
S(6) = 6/2 [ 2(15) + (6-1)-2 ]
S(6) = 3 [ 30 + (5)-2 ]
S(6) = 3 [ 30 + (-10) ]
S(6) = 3 ( 20 )
S(6) = 60

$\\$

$\large\underline{ \mathcal {ANSWER}}:$

60 kilometers

kcliedelossantos24 bye nagmomodule pa ako bukas na pasahan

SabrinaNicole08 Ahh if you need help, puwede mong sabihin sa akin

kcliedelossantos24 ok

kcliedelossantos24 sabrina ka ba

SabrinaNicole08 Oum.

kcliedelossantos24 oum ano yan

SabrinaNicole08 Wala haha

kcliedelossantos24 ibig sabihin oo pangalan mo

Maryrojo0426 ano pong sequence ang gamit? arithmetic sequence ba o geometric sequence o harmonic sequence o fibonacci sequence?

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