Invested at 3% = x
invested at 4% = 2x
invested at 5% = x+500
0.03x + 0.04(2x) + 0.05(x+500) = 2025
0.03x + 0.08x +0.05x +25 = 2025
0.16x = 2000
x= 12,500
4% = 2x = 12,500 * 2 = $25,000
Answer:
I think this is a true or false if so the answer is true:)
Answer:

Step-by-step explanation:
We know that 
Also , 
So ,

Jimmy asked me for 8 of my 17 cookies so i gave them to him which left me with nine so I went to the store and got 5 which gives me 14
I really dont get what your asking but I hope this helps you. If it doesn't please ask me for help ;)