Will give me a 20% discount if i spend over $50 my bill is $75.what is my final bill after the savings

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?