Tuesday
May 21, 2013

# Homework Help: algebra

Posted by tom on Saturday, October 9, 2010 at 2:22pm.

the time that a traffic light remains yellow is 1 second more than 0.05 times the speed limit. what is the yellow time for a trafic light on a street with a speed limit of 30 mi/h?

• algebra - Reiny, Saturday, October 9, 2010 at 2:26pm

let the equation be

time = 1 + .05v , where v is the speed limit

so when v = 30
time = 1 + .05(30) = 2.5

Related Questions

algebra - the time that a traffic light remains yellow is 1 second more than 0....
math - mary color a picture with colored marker. she used red 2 times blue 3 ...
art - what kind of filter do you use on a white light to make people aear yellow...
Physics - A 15.0 m long truck traveling at 40.0 mph has a braking capability of ...
Physics - A person driving her car at 54 km/h approaches an intersection just as...
physics - A person driving her car at 56km/hr approaches an intersection just as...
Physics - light - 1. Blue light and yellow light combine to produce white light ...
Physics - At the instant a traffic light turns green, a car starts moving with a...
algebra 2 - A bag contains 8 purple marbles and 3 yellow marbles. Without ...
algebra - A bus is traveling at a speed of 15 m/s^2. The driver approaches the ...