Jayson earns $196 each week bagging groceries at the store he saves half his earnings each week . how much money does jayson save per week?

How do you do this geometry problem

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.