In your marble collection, 4 7of the marbles are blue and 4 21of the marbles are red. How many times more blue marbles do you have than red marbles?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not