If the pattern below follows the rule starting with 10, every consecutive line has a number one less than the previous line," how many marbles must be in the sixth line?

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8

Idon’t feel like doing the math but you need to do 2.24 divided by 7