the average of 7 no is 128. find the 7th no if 6 no. are 127,133,118,129,139
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Answered by
1
Answer:
Step-by-step explanation:
(127+133+118+129+139+x)/7=128
find the value of x
Answered by
0
Answer:
250
Step-by-step explanation:
127+133+118+129+139+x/7 = 128
646+x/7 = 128
646+x = 896
x = 250
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