That means to add all the numbers together.
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That is the Greek letter Epsilon which indicates summation.
Finding the total or summation
It's not. It depends on the method you use for summation whether summation > integral or integral > summation.
Answer116, 118, 120, 122, 124Procedureassume the numbers are such that the middle one is 2n,the assumed numbers are: 2n-4, 2n-2, 2n, 2n+2, 2n+4 ..... (1)Summation = 10n = 600so, n = 60Substitute with n = 60 in (1) we get the answer above
AnswerThe numbers are 12, 16, 20, 24, 28Solution procedureAssume the middle number is xthen the 5 consecutive numbers that divisible by 4 will be:x-8, x-4, x, x+4, x+8Their summation = 5x =100So, x = 20Substitute for the value of x we the answer above.