1. A father wishes to divide 14560 SIT among his three sons so that each subsequent son receives $20 \%$ more than his younger brother. How much does each son receive? Write down the answer.
1. Determination: sons receive $x$, $1.2x$. 1 point

$1.44x$ 1 point

![](https://cdn.mathpix.com/cropped/2024_06_07_c938bc084e4c5210a231g-06.jpg?height=57&width=1639&top_left_y=1311&top_left_x=206)

Calculated $x=4000$ SIT ...........................................................................................

Calculated how much the second and third son receive:

second 4800 SIT $.0,5$ points

third 5760 SIT 0.5 points

Written answer 1 point