The intersection of a regular octagon and a line segment can be how many points

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?