Answer would be -19 and your welcome :)
A letter or symbol is used to represent an unknown quantity
1/2 and 10/20
to get 1/2 you have to divide 5/10 by 5:
5 / 5 1
----- = -----
10 / 5 2
to get 10/20 you have to multiply 5/10 by 2:
5 * 2 10
----- = ----
10 * 2 20
Hope it helps! =)
Ryan has 50 cookies if he wants to buys x amount of 16 cookies, how many cookies will he have c= cookies
The irrational number would be square root 15
