Review queue

Spaced repetition: each system comes back just before you would forget it. Fast, correct answers stretch the interval; a miss brings it back the same day.

Free practice: Paraguas (umbrella) systemScore 0/0
354045500102030404030201030123
On the table, the ringed ball is your ball (1). 2 = the ball your cue ball hits first, 3 = the last ball to hit for the point.
Paraguas (umbrella) system
Aim = Start − Arrival (45° lines, with corrections) · Aim = Start − Arrival − Ball 2 (origin-point line)
Your ball:White(cue ball · 1)
Ball 2RedBall 3Yellow
Expected shot:Paraguas (umbrella) systemBricole (cushion first)Cushion orderLong → Short → Long

The cue ball goes to the cushions before touching any ball; after the cushions in order it hits the balls.

Given:
Start40Arrival30Arrival10
In this position, what is Aim?

Task: put the given values into the system's formula and calculate Aim. Enter the answer as the number read on the table's Aim scale.