Lesson 17-3
The Elimination Method
1. Phuong has $2.00 in nickels and dimes in his bank. The number of
dimes is five more than twice the number of nickels. How many of
each type of coin are in his bank?
Example B
mistry class. One

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking