The ratio of Samantha’s postcards to Erica’s postcards was 8 to 5. Erica counted their actual number of postcards and found that she had 60 fewer postcards than Samantha. How many postcards does Erica have?

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?