SOLUTION: i need a formula to calculate how long a trip will take when traveling at an average speed of 50 kilometers per hour and add 1 minute for every traffic light on the way. The dist

Question 781445: i need a formula to calculate how long a trip will take when traveling at an average speed of 50 kilometers per hour and add 1 minute for every traffic light on the way. The distance in kilometers and the number of traffic lights must be entered.Calculate time in hours and minutes
Answer by josgarithmetic(39627) (Show Source): You can put this solution on YOUR website!
Your formula would be the sum of two parts. One part is simply r*t=d and the other part is a function of how many traffic lights.

Using simple rate equation, and t is in hours including fractions of hour.
Using traffic signal specification, where .

Trip time in HOURS is
HOURS.
You assign r=50 as a constant. You would enter values expected for variables d and p for the expected trip.

I leave for you how to work through changing t into mixed units of hours and minutes.
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