Question 5. PROBLEM SOLVING, Denmark, Norway and Sweden are worried that the Chinese navy will sail around the world and threaten them, so they deploy their warships in a combined defensive force.
A warship from Denmark displaces 33 thousand tons and carries 6 big guns; a warship from Norway is
somewhat larger, and a warship from Sweden is larger still. The exact numbers are on this table:
COUNTRY
THOUSANDS OF TONS
BIG NAVAL GUNS
Denmark
33
6
Norway
40
7
Sweden
45
8
The combined defensive force displaces 425 thousand tons and carries 76 guns. How many of the ships
are from each of the countries?
T