Answer:
In the account that paid 3% Ramon put $800
In the account that paid 6% Ramon put $1,600
Step-by-step explanation:
Answer:
≈2.69
≈-0.19
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have that the quadratic formula is:

2. To solve the quadratic equation you must substitute the values. So, you have that:
Rewrite the equation:


Then you have:

3. Therefore, you obtain the following result:
≈2.69
≈-0.19
Answer:
7.19%
Step-by-step explanation:
let i be the effective rate

Answer:
20-15z
Step-by-step explanation:
-1+21-15z
20-15z