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astraxan [27]
3 years ago
14

the max speed of a fly-by-night airplane is 346 miles faster than a soaring wing airplane. The sum of their speeds is 889 miles

per hour. What is the maximum speed of a fly-by-night airplane?
Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0

Speed of fly-by-night airplane is 617.5 miles per hour

<em><u>Solution:</u></em>

Given that,

The max speed of a fly-by-night airplane is 346 miles faster than a soaring wing airplane

Let "x" be the speed of saoring wing airplane

Then,

Speed of fly-by-night airplane = 346 + x

The sum of their speeds is 889 miles per hour

Therefore,

speed of saoring wing airplane + speed of fly-by-night airplane = 889

x + 346 + x = 889

2x + 346 = 889

2x = 889 - 346

2x = 543

x = 271.5

Thus speed of fly-by-night airplane = 346 + x = 346 + 271.5 = 617.5

Thus speed of fly-by-night airplane is 617.5 miles per hour

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