Answer:
Answer: 51x45+23=10.2x4+23
Step-by-step explanation:
The answer to that one is the first box definitely
9/3
Hope it helps love.
-Joker7721
20/t=v and 12/t=(v-4) solve both for t
t=20/v and t=12/(v-4) since t=t
20/v=12/(v-4) cross multiplying...
20v-80=12v
8v-80=0
8v=80
v=10mph
The outbound speed was 10mph