He ido al supermercado y he comprado 2 tarros de café de 250 gr. y 3 kilos de azúcar. por todo esto pagué $4500, la semana anterior fui al mismo supermercado y compré los mismos productos , pero 4 tarros de café y kilos de azúcar y cancelé $ 6800. ¿ Cuánto cuesta 1 tarro de café y 1 kilo de Azúcar?

the answer to the question is a  

it has the same slope and the same y-intercept.

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.