Question 958350
In the ratio of 5:9 the smaller truck is {{{(5/(5+9))(100)}}}=35.7%
And the large truck is {{{(9/(5+9))(100)}}}=64.3% of the combined total.
Combined weight=5600lbs so large tuck=0.643(5600lbs)=3600lbs.
ANSWER: The large tuck weighs 3600 pounds.