The amount Howie will pay back at the end of one year is $26000.00
The given parameters are:
-- the principal amount
-- the interest rate
--- the duration
The amount to pay back in this duration is then calculated using:

So, we have:


Express percentage as decimal


Multiply

Hence, the amount to pay back is $26000.00
Read more about simple interest at:
brainly.com/question/1115815
Answer: 66.50+5g= 83.50
g=3.4
Step-by-step explanation:
Answer:
1. 0.5 for x, 3 for y
2. 1.5 for x, 9 for y
3. 2.5 for x, 15 for y
Step-by-step explanation:
I will explain later if you still need help...but you said you need it fast, so I don't want to be too slow. :)
I got -80.00%I hope this helps