Answer:
distance=rate*time
2520=(r)(3)+(r+90)(3) (they both travel for 3 hours)
2520=3r+3r+270
2520-270=6r
2250=6r
r=2250/6
r=375 mph
r+90=375+90=465 mph
Step-by-step explanation:
Answer:
4990
Step-by-step explanation:
Multiply 638 by 5 then add 1800 and that's your answer
-4 line under > SO -4 > x + 2 < 1
(-4 > x + 2) and (x + 2 < 1)
(x < -6) and (x < 1)
Now combine the ranges
x line under < SO
x < -6 is your answer
Brainliest if satisfied!!!
Answer:
Step-by-step explanation:
186 devised by 30 is the answer
Answer:
Option B 1.5 min
Step-by-step explanation:
we know that
1 mi=1,609.36 m
1 h=60 min
so

using proportion
