Problem-Solving Applications: Mixed Review
3-14Solve each problem and explain the method you used.
0 1. Rachel’s craft group is building a collection of model
ships. Rachel cuts 9 masts out of a 75-in. balsa
wood dowel. How long is each mast?0 2. A local lumber supplier sells 1000 balsa wood
dowels for $990.00. How much would a hundred
dowels cost? a dozen dowels? 1 dowel?0 3. Ramon needs 50 wooden planks to build decks
for 11 ships. If 50 planks cost $99.50, how much
is Ramon spending per ship?0 4. Jared uses twine for the ropes on a model ship.
A 35-yd ball of twine costs $2.99. What is the cost
per yard?0 5. Miniature brass ship decorations sell for $.29 per ounce.
If Talia pays $7.50 for a bag of decorations, how many
ounces does the bag weigh? Round to the nearest ounce.0 6. Ted sends Rachel 100 model sails that he has made.
The total weight of the package is 13.75 oz. If the
packaging weighs 0.25 oz, how much does one sail weigh?0 7. The content weight of a box of models is 81 lb. If there
are 9 each of 5 different models in the box, what is the
average weight of an individual model?0 8. A collection of model ships has a mass of 8064 g. The mass
of each ship is 448 g. How many ships are in the collection?0 9. Models built by four craft groups will be exhibited together.
Each display case will hold 6 model ships. There will be
117 model ships in the exhibit. How many display cases
will be needed?8206-2_114-115 10/7/07 11:00 AM Page 114