Answer:
The answer is the second option or B, you have to divide the top number by the bottom number to get a unit rate.
The answer is B. y = -1/5x +1/2.
EXPLANATION
First solve for the slope:

After finding the slope, look for the linear equation with the same value of m (parallel equation).
Find the y-intercept then model it into y = .71x + b (b is the y-intercept).
Answer:
80kg
Step-by-step explanation:
100 + 10 = 110% (Percentage of gained weight)
110% = 88000
1% = 88000 ÷ 110 = 800
100% = 800 x 100 = 80000