Answer:
5 hours.
Step-by-step explanation:
let they meet after t hours.
310t+380t=3450
690t=3450
69t=345
t=345/69=5
the answer to your question is 7 hours just keep adding 75 together
10
0.75
4.50 is 6% of 75% then 0.75 is 75% in decimal form, so 0.75 is 6% of 4.50
Hope I helped :)
2 feet of soil