Lachlan is playing a game where he can either win a gold triangle or a gold heart. For each triangle, he gets the same number of points and for each heart, he gets the same amount of points. A triangle is worth a different amount of points compared to a heart.
In Lahclan's first game he wins 3 gold hearts and 4 gold triangles. He collects 30 points.
In Lahclan 's second game he wins 5 gold hearts and 6 gold triangles. He collects 48 points.
In Lahclan 's last game, he wins 1 gold triangle and 1 gold heart.