The amount of caffeine in our bodies cuts in half every hour (50%). Most energy drinks contain around 200 milligrams of caffeine. How many milligrams of caffeine are left after 3 hours?

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

Write the rational number in lowest terms 99/-15