SOLUTION: twenty-one minus the sum of fifteen and five How would i write this problem out in mumerical form

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Question 7079: twenty-one minus the sum of fifteen and five
How would i write this problem out in mumerical form
Found 3 solutions by Lilo, glabow, longjonsilver:
Answer by Lilo(1) About Me  (Show Source):
Answer by glabow(165) About Me  (Show Source):
You can put this solution on YOUR website!
21 - (15 + 5) is the correct numerical form.
21 - (20) = 1

Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
actually, it is 21-(15+5)

Jon.