Two jets leave at the same time and fly in opposite directions. one is heading west 50 mph faster than the other flying east. after 2 hours they are 2500 miles apart. find each of their speeds.

Let's assume

speed of second jet is x mph

we are given

One is heading west 50 mph faster than the other flying east

so, speed of second jet is x+50

they are moving in opposite direction

now, we will find distance travelled by them after 2 hours

Distance travelled by second jet after 2 hours:

we know that

distance =speed*time

so,

so,

Distance travelled by first jet after 2 hours:

we know that

distance =speed*time

so,

so,

now, we can find total distance

so,

we are given that distance as 2500

so, we can set it to 2500

now, we can solve for x

so,

speed of second jet is 600 mph

speed of first jet is 650 mph.................Answer

a. the residual plot for model 1 has a random pattern and is a good fit for the data.

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