Ali drove to the mountains last weekend. there was heavy traffic on the way there, and the trip took 6 hours. when ali drove home, there was no traffic and the trip only took 4 hours. if his average rate was 22 miles per hour faster on the trip home, how far away does ali live from the mountains

264 miles

Explanation:

given,

time taken by Ali to drove mountain in heavy traffic = 6 hours

time taken by Ali back home, there was no traffic = 4 hours

speed of return is 22 miles per hour faster on the trip home.

let S be the speed when he was driving to mountain.

 speed when he was coming back = S + 22 mi/h

we know

distance = speed x time

d₁ = 6S

d₂ = (S+22)4

now equating both the equations

6 S = (S+22)4

2 S = 88

S = 44 mi/h

distance = 44 x 6

               = 264 miles

distance between mountain and hill is equal to 264 miles.

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answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.