Engineering Economics, solving problems, build a bridge budget, and final exam is coming

This morning less people came to class.

Today we are doing a Engineering Economics again, and we are solving the cash flow diagrams that involves two alternative.
A is on the top, and B is on the bottom.

Next, he drew the numbers to input the formula.

 Then we tried to solve by calculating of B.

Finally, finding the difference that has the cheaper.


 second problem.

 
 Third problem.

Last  problem of X and Y

Solving the problem of X and Y.

For this activity, we have to build a bridge individual and this time it is a budget of $500,000.
Each piece of spaghetti costs $5,000.

Each glue stick costs $100,000.

Each Popsicle stick costs $100,000.

If you are over budget, then you may borrow money to purchase additional bridge supplies but the money must be paid back over the life of the bridge (30 years) at a rate of 8% compounded annually. In addition to a completed bridge next week, you must include a spreadsheet of all the materials used, the cost for those materials and the total cost to finance your bridge over the 30 years.

For the finals, there is going to be 8 questions, and some bridges to be destroyed.

The previews is in the Edmodo

It starts next week Wednesday at 7:30 - 10:00 A.M.