Megan solved the following exponential equation for x. what did she do wrong

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?