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The some of four numbers is 20500.Three of these numbers are 2341,578 and 10690.What is the fourth number.What is the open number sentence?

Sagot :

Let the 4th number be N:

N = 20,500 - (2341 + 578 +10690)

You can now solve the fourth number.  Use GEMDAS/PEMDAS in solving, that, is, solve the numbers in inside the parenthesis first, then subtract the result from 20, 500.