No she not correct. 80% of the students are wearing tennis shoes
3,500 (.024) = 84
84 (5) = $420 in simple interest
1] 0.23
2] both are same
3] 20/100 *80= 16
Answer:
Slope (m) = 
Step-by-step explanation:

X = 4 – 1 = 3
Y = 4 – 2 = 2

Equation of the line:
y = 0.66666666666667x + 1.3333333333333
or

When x=0, y = 1.3333333333333
When y=0, x = -2