How many kilograms of chocolate will each person get if 4 people share 13 of a kilogram of chocolate equally?

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

Anyone know? will mark brainliest if correct