The second set of 5 Mathsoul My-Story Posters, normally used to follow on from the Mathsoul Starter Set.

Sam - Quick Quote Advantage - Quoting new jobs in Sam's window cleaning company provides an intiutitive use of sigma sum notation  

The Right Angle - Jason installs solar panels of roofs and needs trigonometry to determine how high to lift the ends of panels to get the right angle of elevation.

Razi - Ensuring Competitive Behaviour - Razi is an antitrust or competition lawyer examining a proposed bererage industry acquisition of Hydrator by Alitani. A sum of squares calculation is made of market concentration (the Herfindahl-Hirschman Index) before and after the proposed acquisition, and compared with regulatory guides for the United States and Europe (and other countries).  

Celia - The Right Price -  Celia is an entrepreneurial cafe owner, considering the price to offer the cafe for sale.  Introduces simple PE ratios and calculations, with question extensions to examining the PE's of businesses listed for sale locally and publcly  traded companies too.

Dot's - Laboratory Mice - Dot wants to win an annual bonus of $1,750 and hence needs to determine whether she can have 12 dozen breeding pairs of laboratory mice at year end.  The number bred mice needs to be determined over 12 months, using a tree diagram or similar. Fibonacci Number Series.