Answer:
X+2+4=6
Step-by-step explanation:
I HOPE IT HELP.......
T=time
d=st
r=train speed
p=plane speed
<span>160=rt
</span><span>720=pt
speed of plan is 20kmph less than 5 times speed of train
p=5r-20
we notice that 160 times 4.5=720
times first equaton by 4.5
720=4.5rt
720=pt
set equal
4.5rt=pt
divide both sides by t
4.5r=p
sub </span><span>p=5r-20 for p
4.5r=5r-20
minus 4.5r from both sides
0=0.5r-20
add 20 to both sides
20=0.5r
times 2 both sides
40=r
sub back</span><span>
p=5r-20
p=5(40)-20
p=200-20
p=180
plane is 180kmph
train is 40kmph
</span>
Answer:
Part A. The Toyota uses 21 miles per gallon.
Part B. The Toyota can go 315 miles using 15 Gallons.
Step-by-step explanation:
P.S Can I have brainliest?

Solution:
Given data:
and 
To find
:

Distributive property: 



Arrange and add/subtract same powers.


Hence 
-2/3!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!