7. dean spent two hours watching television and decided to keep track of the amount of
time spent on commercials. he was surprised to learn that there were 48 minutes of
commercials during the two hour period. what percentage of dean's television
watching time was filled with commercials?

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Why is studying fractions important