Answer:
0.15
Step-by-step explanation:
I don't know if that is right but sorry if it is wrong but I would check with your teacher or someone for help
Answer:
x2−8x 7
Step-by-step explanation:
Answer:
Ratio between balances will be:

Where;
x = deposit
%i = interest rate annual
n = years
Step-by-step explanation:
Lets say first deposit is x$ for both investment and annual interest rate for both investment are %i. Also, they stayed under i interest in n years:
Total balance for simple interest is:

How ever total balance for compound interest is:

Answer:
x= 4
Step-by-step explanation:
The two triangles are similar so the ratios of both should be the same. Triangle DEF is 15 times bigger than triangle ABC so 60 divided by 15 is 4. Moral of the story 4 equals X
An equation in standard form looks like Ax + By = C.
Let C = 80
Take it from here.