Asked by Anonymous

A train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. If a trip of 300 miles took 3 hour and 48 minutes, how much of it was through the mountains?
Answered by Athenal
3 hours and 48 minutes = 228 minutes = 8 hours
90x + 37,5y = 300
x + y = 3.8
equations two unknowns
x = 3
y = 0.8
= > 3 hours away on the plains
= > 0.8 hours to go through the mountains
0.8 hours = 0,8.60 = 48 minutes
Answered by Athenal
sorry, I typed wrong
3 hours and 48 minutes = 228 minutes = 3,8 hours
90x + 37,5y = 300
x + y = 3.8 [(sorry)]
equations two unknowns
x = 3
y = 0.8
= > 3 hours away on the plains
= > 0.8 hours to go through the mountains
0.8 hours = 0,8.60 = 48 minutes
Answered by Anonymous
how much miles was it though the mountain
Answered by Anonymous
it is ok
Answered by Anonymous
how many miles did it take to go through the mountain
Answered by Jason
30 miles
Answered by breh
A BLUEBOY
Answered by JEFFY
HEY DADDY
Answered by CreepyStalker21
you can find the mile by doing these easy steps:

48=0.8
37.5*0.8=30 miles

30 miles is the correct answer
Answered by Anonymous
48
Answered by Adrien the dum b|onde
48 bc i did the equation and got it
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