Haskell Converting Int to Float

Question

I\'m having some problem with one of the functions which I\'m new at, it\'s the fromIntegral function.

Basically I need to take in two Int arguments and return the p

Answer 1

Look at the type of div:

div :: Integral a => a -> a -> a

You cannot transform your input to a Float and then use div.

Use (/) instead:

(/) :: Fractional a => a -> a -> a

The following code works:

percent :: Int -> Int -> Float
percent x y =   100 * ( a / b )
  where a = fromIntegral x :: Float
        b = fromIntegral y :: Float