A recipe requires 1/2 cup of sugar for each 2/3 cup of flour. how many cups are needed for each cup of flour?

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Which system of linear inequalities is represented by the graph?