Tamara works at a clothing store and earns a monthly salary of $800 and makes a 15% commission on her sales. If she sells $1,500 this month, how much will she make on her paycheck for the month?

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?