Solve the proportion 4/t=2/2.5

t = 5

Step-by-step explanation: step one cross multiply 4/t = 2/2.5

(4) *  (2.5) = 2 * t  so 10 = 2t / step two flip the equation 2t = 10

step three divide both sides by two 2t/2 = 10/2 t = 5

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.

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.