3 1/2 x 1 1/3 what is this equal to 3 1/2 or 1 1/3

I'll give brainliest if you answer right : )

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Solve the equation x/4 - 5= -8 -27 -12 -7 12