I just want to know how to calculate IQR. Just the formula please or an example if you have one.

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons

K-7/4=11 explanation: k-7 is the numerator and 4 is the denominator then right by it it just says = 11 ( i wish i knew how to do this but ummm i cant sis)