How long will it take for the jets to be 9128 miles apart?

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SUMMARY

Two jets depart simultaneously from an airport, flying in opposite directions at speeds of 377 mph and 275 mph, respectively. To determine the time it takes for them to be 9128 miles apart, the equation 377t + 275t = 9128 is established, where t represents time. The calculation confirms that the approach is correct, and the variable 't' is preferred over 'x' for clarity in representing time.

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Two jets leave an airport at the same time, flying in opposite directions. The first jet is traveling at three hundred seventy-seven mph and the other at two hundred seventy-five mph. How long will it take for the jets to be 9128 miles apart?

My Effort:

Jet 1:

rate = 377 mph

time = x

Distance = 9128 miles

Jet 2:

rate = 275 mph

time = x

Distance = 9128 miles

Equation:

377x + 275x = 9128

Is this correct?
 
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yes ... I would have used $t$ for time instead of $x$
 
It feels so good to get it right. Ok. I got it. Let t replace x for time.
 

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