0.03x+0.06 (6500-x)=225
Solve for x
0.03x+390-0.06x=225
0.03x-0.06x=225-390
-0.03x=-165
X=165÷0.03
X=5500 invested at 3%
6500-5500=1000 invested at 6%
Answer: Hi
Step-by-step explanation:
Is this rearranging of equation??
-n+sx=n-a
sx=2n-a
x=2n-a/s
81-1= 80
80 / 2 = 40
D = 40
So:
40(2) = 81 - 1
