Answer: please mark me brainliest
In 1 hour, the first train will have traveled 60 miles.
Let t be the time before the first train catches up to the second. Then:
60t+60=80t
20t=60
t=3 hours
Since the 2nd train leaves at 1:00, and travels 3 hours before catching up, he will catch the 1st train at 4:00 p.m. …………………
Step-by-step explanation:
Answer:
<h2>x = -8 and y= 0 → (-8, 0)</h2>
Step-by-step explanation:


12:30
A to B
30 + 12 is 42
so... the final answer would be 12:30.
Answer:
3=6
4=8
5=10
6=12
graph 1
Step-by-step explanation:
Answer:
7x² + x + 3
Step-by-step explanation:
Step 1: Write expression
(3x² - 2x + 1) + (4x² + 3x + 2)
Step 2: Combine like terms
7x² + x + 3