HELP PLEASE !!! Ill give a medal !!!

Write a system of equations to model each situation.

1. Ten years from now. A will be twice as old as B. Five years ago, A was three times as old as B. What are the present ages of A and B?

2. A change purse contains a total of 100 nickels and dimes. The total value of the coins is $7. How many coins of each type does the purse contain?

Question

HELP PLEASE !!! Ill give a medal !!!

Write a system of equations to model each situation.

1. Ten years from now. A will be twice as old as B.    Five years ago, A was three times as old as B. What are the present ages of A and B?

2. A change purse contains a total of 100 nickels and dimes. The total value of the coins is $7. How many coins of each type does the purse contain?

anonymous · Answer

1. A is 50 and B is 20
2. 40 dimes and 60 nickels

anonymous · Answer

Can you please show the system of equations..?