It takes Selma 1/6 of a hour to run 3/4 miles.
Just multiply 3/4 by 6 to get 18/4 which is 4.5 miles or 4 1/2 mile
The last 2 y”s are identical
PEMDAS
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.
B because the other options are used by Scientific notation