Nina has 2 cups of flour.
However, 2 cups of flour is only 1/4 of the amount of flour she needs for a bread recipe.
Therefore, quantity of flour which Nina needs for a bread recipe is four times the present quantity
The cups of flour which Nina needs for a bread recipe = 2 / (1/4)
= 2 *4 cups
= 8 cups
Hope this helps..!!
Thank you :)