I WANT SOLUTION AND EXPLANATION ANSWER IS GIVEN AT LAST!!! PLEASE HELP ME PLEASE

QUE 3 :- The present ages of Ram and Rehman are in the ratio 8:9. After 5 years, the ratio of their ages will be 9:10. Find their present ages.

ANSWER :-
Ram's age = 40 yrs ; Rehman's age = 45 yrs

CLASS :- 8th
CHAPTER :- Linear Equations in one variable

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document