There is one railway on the island of Monday, which runs from Tuesday to Wednesday. There are two intermediate stops at Thursday and Friday. The trains run continuously from one end to the other at a constant speed, stopping for three minutes at each station. From departing Tuesday to arriving at Wednesday takes 42 minutes. From Tuesday to Friday takes 24 minutes. From Thursday to Wednesday takes 36 minutes. How long does it take from Thursday to Friday?
There is one railway on the island of Monday, which runs from Tuesday to Wednesday. There are two intermediate stops at Thursday and Friday. The trains run continuously from one end to the other at a constant speed, stopping for three minutes at each station. From departing Tuesday to arriving at Wednesday takes 42 minutes. From Tuesday to Friday takes 24 minutes. From Thursday to Wednesday takes 36 minutes. How long does it take from Thursday to Friday?
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
Section12.8: Joint And Combined Variation
Problem 3P
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There is one railway on the island of Monday, which runs from Tuesday to Wednesday. There are two intermediate stops at Thursday and Friday. The trains run continuously from one end to the other at a constant speed, stopping for three minutes at each station. From departing Tuesday to arriving at Wednesday takes 42 minutes. From Tuesday to Friday takes 24 minutes. From Thursday to Wednesday takes 36 minutes. How long does it take from Thursday to Friday? [
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