Use an algebraic approach to solve the problem. A total of $8000 was invested, part of it at 7% interest and the remainder at 9%. If the total yearly interest amounted to $660, how much was invested at each rate?

can you me with homework?

step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

b

step-by-step explanation: