math homework help please

Algebra
Tutor: None Selected Time limit: 1 Day

100-99 (20-4x5) 

Oct 28th, 2014

100 -99+(20-4*5) =100-99 +20-20 =1

100 -99-(20-4*5) =100-99 -(20-20) =1

Answer: 1


Oct 28th, 2014

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