Math in fraction

Question

Beth use 9.8 pints of white paint and blue paint to paint her bedroom walls for fifth of this amount is white paint and the rest is blue pint how many pints of blue paint did you use to paint your bedroom walls

Answer 1

I did not use any ;-)

She used 4/5 * 9.8 = 7.84 pints of white and 1.96 pints of blue