The first one shown, 400/2, is showing the point on the graph where she walks 400 ft in 2 minutes. In order to find the next proportion, you just have to look two minutes over which in this case is 800 ft for 4 minutes... written 800 over 4.
Answer: x≈3
Step-by-step explanation:
0.48 = log x , this could also be written as :
x = 0.48 , that is
x = 
x = 3.01995172
x≈ 3
Answer:
0.43y + 8.1
Step-by-step explanation:
5.23y + 8.1 - 4.8y
5.23y - 4.8y + 8.1
0.43y +8.1
Answer:
54 kilometers
Step-by-step explanation:
87x6 or 522km - 78x6km or 468 = 54