Question

math help please

Answer 1

Solve each of the following problems using a system of equations. Show all of your work and state your solution in a complete sentence.

Tony and Belinda have a combined age of 56. Belinda is 8 more than twice Tony’s age. How old is each? (2 points)
Salisbury High School decided to take their students on a field trip to a theme park. A total of 150 people went on the trip. Adults pay $45.00 for a ticket and students pay $28.50 for a ticket. How many students and how many adults went to the park if they paid a total of $4770? (2 points)
Your piggy bank has a total of 46 coins in it; some are dimes and some are quarters. If you have a total of $7.00, how many quarters and how many dimes do you have? (2 points)
Follow the 5 steps below to complete this problem. (4 points)
Step 1:

Pick a friend or family member to be the character of your word problem. This friend or family member may do one of the following:

Drive a boat
Drive a jet ski
Step 2:

Select a current speed of the water in mph.

Step 3:

Select the number of hours (be reasonable please) that your friend or family member drove the boat or jets ski against the current speed you chose in step 2.

Step 4:

Select the number of hours that your friend or family member made the same trip with the current (this should be a smaller number, as your friend or family member will be traveling with the current).

Step 5:

Write out the word problem you created and calculate how fast your friend or family member was traveling in still water. Round your answer to the nearest mph.

Answer 2

help

Answer 3

I did your first problem. I hope this helps you to get on the right track. Perhaps with that little inspiration you can figure the rest out by yourself?

Answer 4

http://answers.yahoo.com/question/index?qid=20100617055253AAkjHjh
This answers your first question.

Answer 5

It shows all of the steps necessary to solve the kinds of problems in a way better than I can explain.