Last week 3,000 people came to hear a presidential candidate speak in central city. if they represent 162/3 of the people who live in central city, how many people live there?

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 ?

Plzzz answer both questions and i will give you 100 points

If np3 /nc2 = 6, find the value of n