Solving by Elimination – Advanced Techniques
Solve the following systems of equations:
a)
10x – 3y = 29
4x + 8y = 13
b)
0.02x  0.5y  4.34
1
5
x  y  19
2
3
A piggy bank is full of quarters (Q) and dimes (D).
Q + D = 362
0.25Q + 0.10D = 54.35
a)
Describe what each equation tells you about the dimes and quarters.
b)
Determine how many dimes are in the bank.