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alina1380 [7]
4 years ago
11

Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 18 miles per hou

r slower than the westbound train. If the two trains are 680 miles apart after 4 hours, what is the rate of the eastbound train?
Do not do any rounding.


miles per hour
Mathematics
1 answer:
11111nata11111 [884]4 years ago
6 0

Answer: 76 miles per hour

<u>Step-by-step explanation:</u>

east bound: t = 4, r = x - 18

west bound: t = 4, r = x

d = r * t

680 = 4(x - 18 + x)

680 = 4(2x - 18)

170 = 2x - 18

188 = 2x

94 = x

eastbound: x - 18   = 94 - 18   = 76

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