Question

The sum of first 100 multiples of 5 is:​

Answer 1

Answer:

1050

Step-by-step explanation:

So the sum of all the integers that are multiples of 5 from 1 to 100 is 5 x 210 = 1050

Answer 2

Answer:

25,250.

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Step-by-step explanation:

5x1 + 5x2 + 5x3 + 5x4 ... 5x100    =

5x(1+2+3+4+ ... 100)   =

5x(50.5 x 100)   =

5x5050  =

25,250