Im not sure but I think the answer is most likely...
D) 10.
Hope I helped :-)
Answer:
50 is the intrest 550 os the amount
Your question is:

Then, the above formula equate:

Factor out 8 from the numerator we get:

Factorization of the denominator:

Simplifying the numerator and the denominator by (u-9) we get:
Answer:
they are the same
Step-by-step explanation: