Answer:
the $4000 WILL EARN 4 TIMES THE AMOUNT OF INTEREST.
Step-by-step explanation:
If both investments have same interest they will grow in the same proportion that the initial amount have.
Answer:

Step-by-step explanation:
Given that t represents a number which is unknown to us, the difference of the number and 9 can be expressed algebraically as:
.
The difference of t and 9 =
.
I think the answer is 15, because 5 divided by 2 is 2.5. 2.5 times 6 is 15