Answer:
12.2
Step-by-step explanation:
median: 10 <h <13
mean: 12.12
(4a+7)(4a-7)
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
<u>A</u>
<u>Given</u>
<u>Solving</u>
