Solving a distance, rate, time problem using a linear equation

Algebra
Tutor: None Selected Time limit: 1 Day

May 28th, 2015

I walk 4 mph!!
Gaining speed 19 -4= 15 mph
Headstart 4*3 =12 miles
Time to catch up 12/15=0.8 hours
Time to catch up =48 minutes
Algebraic solution


4(t+3)=19t
4t+12=19t
12=19t-4t
12=15t
t=0.8 hours
Distance to meeting 0.8*19=15.2 miles 

May 28th, 2015

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May 28th, 2015
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