Lucia and Maria are business women who decided to invest money by buying farm land in Brazil. They started their investments at the same time, and each month they buy more land.

Lucia bought 11 hectares of land in the first month, and each month afterwards she buys 5 additional hectares.

Maria bought 6 hectares of land in the first month, and each month afterward her total number of hectares increases by a factor of 1.4