If you average 30 mi / h on a 150-mi trip and then return over thesame 150 mi at the rate of 50 mi / h, what is your average speedfor the trip? Give reasons for your answer.
If you average 30 mi / h on a 150-mi trip and then return over thesame 150 mi at the rate of 50 mi / h, what is your average speedfor the trip? Give reasons for your answer.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.6: Solving Problems Involving Quadratic Equations
Problem 1.1E
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If you average 30 mi / h on a 150-mi trip and then return over the
same 150 mi at the rate of 50 mi / h, what is your average speed
for the trip? Give reasons for your answer.
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