Mario had a party on Saturday. For every 3 cups of popcorn, there were 2 cups of lemonade. There were 90 cups of lemonade on Saturday. He also had a party on Sunday. He invited many people. The ratio of popcorn to lemonade for the Sunday party was 1:4. If there was the same amount of food at each party, how much lemonade was at the party on Sunday?

How do you answer this question? (step by step)

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

How many $20 bills do you need to have to make $280