Please show your solution on paper using the formula on the picture.  Question: A boy on his bicycle intends to arrive at a certain time to a town that is 30km away from his home. After riding 10km, he rested for half an hour, and as a result he was obliged to ride the rest of the trip 2km/hr faster. What was his original speed?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Please show your solution on paper using the formula on the picture. 

Question: A boy on his bicycle intends to arrive at a certain time to a town that is 30km away from his home. After riding 10km, he rested for half an hour, and as a result he was obliged to ride the rest of the trip 2km/hr faster. What was his original speed?

Rate / Motion Problems
Uniform Motion
unip
D = RT
D = distance
R = rate
T = time
Distance
4 rate
24/7
C = current # wind /air current
Distance covered when moving AGAINST the wind
L> rate of aircraft DECREASES when moving against the wind
R-C) T
لمالية yo
Distance traveled UPSTREAM:
2) rate
covered when moving WITH the wind:
of aircraft INCREASES when moving with the wind
:
D= (R+C) T
Distance traveled DOWNSTREAM
23 rate of ship boat INCREASES when moving downstream
D = R+C T
Jee
C= current оf wader
of
upstream
of ship boat DECREASES when moving
D=R-C T
Transcribed Image Text:Rate / Motion Problems Uniform Motion unip D = RT D = distance R = rate T = time Distance 4 rate 24/7 C = current # wind /air current Distance covered when moving AGAINST the wind L> rate of aircraft DECREASES when moving against the wind R-C) T لمالية yo Distance traveled UPSTREAM: 2) rate covered when moving WITH the wind: of aircraft INCREASES when moving with the wind : D= (R+C) T Distance traveled DOWNSTREAM 23 rate of ship boat INCREASES when moving downstream D = R+C T Jee C= current оf wader of upstream of ship boat DECREASES when moving D=R-C T
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