Two brothers Kevin and Charles each inherit $8000. Kevin invest his inheritance in a savings account return of 3%, while Charles invest his inheritance in a cd paying 5% annually. How much more money than Kevin does Charles have after 1 year

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?