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Pachacha [2.7K]
3 years ago
10

Two trains are traveling towards each other at a constant speed. The trains are currently 714 miles from each other. The speeds

of the trains differ by 8 miles per hour. The trains will meet in 7 hours. What is the speed of the faster train?
Mathematics
1 answer:
shutvik [7]3 years ago
6 0
55mph.

you can solve it using the equation distance=speed x time

your total distance is 714, and you have 2 trains, one traveling some speed, x, and one traveling x+8, both traveling for 7 hours. 
your equation would look like this
714 = x(7) + (x+8)(7)
and you can then solve for x, which would be 47. this is the speed of the slower train, but 47+8=55 with give you the speed of the faster train. 
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To find for y, we go back to the original equation then substitute the value of x.

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3 0
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Which phrase describes the expression 505n ?
joja [24]

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<em>Parenthesis</em>

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<em>Multiply</em>

<em>Divide</em>

<em>Add</em>

<em>Subtract</em>

<em>From left to right.</em>

<em>Do exponent first.</em>

<em>5^4=5*5*5*5=625</em>

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<em>625 is the correct answer.</em>

<em>600+200+5 is the correct answer.</em>

4 0
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