Finding the length of the circuit.

[paulmdrdo]

Homework Statement

Homework Equations

D = rt

The Attempt at a Solution

[/B]
This is my attempt
let d= length of the circuit
60/a mph --- speed for walking
60/b mph ----speed for riding
60/c mph ---- speed for driving

d=(60/a)t1+(60/b)t2+(60/c)t3

From here I cannot continue. Kindly help me. Thanks!

 

[ehild]

Homework Statement

Homework Equations

D = rt

The Attempt at a Solution

[/B]
This is my attempt
let d= length of the circuit
60/a mph --- speed for walking
60/b mph ----speed for riding
60/c mph ---- speed for driving

d=(60/a)t1+(60/b)t2+(60/c)t3

From here I cannot continue. Kindly help me. Thanks!

Use the information given in the problem for the times of the different routes, using some notation for the sides of the triangle.