## Task 1 - 150521

The workers of the Torgau Flat Glass Combine decided to produce $135000 \mathrm{~m}^{2}$ of flat glass beyond the plan in the year 1975 as a contribution to the housing construction program. This amount of glass is sufficient for 4500 new apartments of a certain type.

Determine the requirement for flat glass (in square meters) that was assumed for 1000 new apartments of this type based on these figures.
Due to $4500: 9=500$ and $135000: 9=15000$, a requirement of $15000 \mathrm{~m}^{2}$ of flat glass was assumed for 500 new apartments, and consequently double that, $30000 \mathrm{~m}^{2}$, for 1000 new apartments.