X=k*Y
K*Y=X
K=X/Y
K=20/5
K=4
For Y=3/2
X=k*3/2
X=4*3/2
X=6
Average speed for car a = 1280 / 16 = 80 mph
Car b travels at 80 - 0.5 = 79.5 mph.
Distance car b will travel in same time = 16*79.5 = 1272 miles.
Answer:
Correct answers are
First one
Second one
Third one
Step-by-step explanation:
3x+5x=8x
3(x+4)=3x+12
a+a+b=2a+b
Wait what try using photomath it helps explain and gives the answer.
