To find: The distance between Amity city to Belleville city.
The distance between these two cities is .
The speed of Mary drove from Amity to Belleville is , speed of way back to Amity is and total driving time is .
Formula used: Distance Formula
Let, t is equal to time to drive from Amity to Belleville and the total time is that is , so represents the amount of time driven back to Amity from Belleville.
From the above statement make a table,
|Amity to Belleville||50||t||50t|
|Belleville to Amity||60|
Model an equation from the information in the above table.
Solve above equation to get the value of t,
Distance between two cities is,
Substitute 2.4 for t into above formula to get the distance between these two cities,
Thus, the distance between these two cities is .
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