Answer:
6cm
Step-by-step explanation:
14
Answer: 2/3 hours
Step-by-step explanation:
okay so the speed now is 850, which is 850/340 = 2.5 times the original speed
Since It's 2.5 times the original speed,
2.5x = 5/3
so x = 5/3/2.5 = 2/3
So hmmm let's do the left-hand-side first

now, let's do the right-hand-side then