Answer:
5 hours.
Step-by-step explanation:
let they meet after t hours.
310t+380t=3450
690t=3450
69t=345
t=345/69=5
I do not know
explain it more
Translation (the +5)
Dilation (the x 4)
Compression (the 3 to 1/3, and the x to 2-x)
Brainliest, please!