Step 1: Draw the path on x,y plane

Step 2: Use Pythagorean theorem to find the distance between Home and Bakery

$$a^2+b^2=c^2$$

$${0.3}^2+{0.4}^2=c^2$$

$$\therefore c=\sqrt{{0.3}^2+{0.4}^2}=0.5$$