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nevaeh1448247
to the convert 2/5 to a decimal it will be 0.40 because during when you do 5 do x20 so 1/5 = 0.20 and so on 
for the percent it may be 40% but idk
Shearer
The answer would be .40 or 40%.

2 x 5 = 10

2 x 2 = 4.

4/10

4/10 = 40% or .40