Charlie has x state quarters. ty has 3 more quarters than charlie has. vinnie has 2 times as many quarters as ty has. write and simplify an expression to show how many state quarters they have in all.

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?