Question 1053984
It will take him 4 times as long to paint 1 bedroom
His rate is:
{{{ ((1/4)) / (( 1/2 )) }}} bedrooms/days
His rate of painting does not change, so
{{{ (( 4*(1/4) )) / (( 4*(1/2) )) = 1 / 2 }}} bedrooms/days
so, he paints 1 bedroom in 2 days