Why are we doing this math in 7th grade?? Anyways its easy, but who can solve it brain liest to who can!!

Ineed asap.i cant understand this question i need someone to me right away

Arecipe calls for 2 2/4 cups of raisins, but julie only has a 1/4 measuring cup. how many 1/4 cups is needed to measure out 2 2/4 cups of raisins?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).