Byron has 1 7/10 kilograms of black pepper. He uses 7/8 of the black pepper and splits between 7 pepper shakers. How much pepper will be in each shaker?

Amount of black pepper = 1 7/10 kg = 17/10 kg.

Amount used is

(7/8) * (17/10) = 119/80 kg

This amount is split between 7 shakers. Each shaker has

(119/80) / 7 = 17/80 kg = 0.2125 kg

Answer: 17/80 kg (or 0.2125 kg)