Answer:
by adding the 2 to the 8 you get 10 so you just do the same process for 80 and 20 just add the 2 and 8 and then after just add a 0 and there you get the answer 100
Step-by-step explanation:
2+8=10
20+80=100
0.285
28.5/100 = 0.285
Given : Andre drove 200 Miles using 9 Gallons of Gas
⇒ Andre drives 1 Mile using
⇒ Andre drives (420 × 1 Mile) using
⇒ Andre drives 420 Miles using 18.9 Gallons of Gas