Answer:
12x the second -12x -16
Step-by-step explanation:
Solving systems of equations with 3 variables is very similar
Answer:
10 quarters and 15 dimes
Step-by-step explanation:
25 = Quarters + Dimes
Total worth = $4.00 = 0.25* Quarter + 0.1*Dimes
so...
25 = Q + D , D = 25 - Q
4 = 0.25*Q + 0.1 * (25 - Q)
4 = 0.25 * Q + 2.5 - 0.1*Q
1.5 = 0.15Q
Q = 10
D = 15
4y + 228= 352
-228 -228
4y= 124
---- -----
4 4
y=31
