I want know how to do no. 26-29 ies27. Karleigh can detail a car in half the time that it wouldtake her trainee, Mallory. Working together they cdo the job in 40 min. How long would it take Malloryto do the job alone?28. A swimming pool that usually takes 4 hr to fill tookleft open.How6 hr to fill because a small drain waslong would it take the drain to empty a full pool?29. It took 18 hr to fill a tank when the drain was acci-dentally left open. Determine how long it normallytakes to fill and to empty the tank if it normally takes3 hr longer to empty the tank than it takes to fill it.30. An avid cyclist sets out to break his personal recordby averaging 20 mi/hr on a ride but realizes that hehas averaged only 18 mi/hr at the halfway point.What will his average speed need to be for the secondhalf of the ride if he is to meet his goal?31. Two planes that fly at 600 mi/hr in still air leave the36.237- 23. What number must be added to botor and the denominator of -equivalent to?1724. Find all numbers whose difference is 4 and the sumof whose reciprocals isto produce a fractio25. A number is 4 more than twice another number. Findall such numbers if the sum of their reciprocals is3°26. Josiah and his younger brother Lucas volunteeredto paint a community center. They did the job in8 hr. Josiah could do the job alone in 12 hr. How longwould it have taken Lucas to do the job alone?>C34.35.

Topic = Algebra As per guidelines , At a time only one question can be answered. please repost for…

Answered: 26. Josiah and his younger brother…

26. Josiah and his younger brother Lucas vo to paint a community center. They did the job in 8 hr. Josiah could do the job alone in 12 hr. How long would it have taken Lucas to do the job alone?

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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Question

I want know how to do no. 26-29

ies
27. Karleigh can detail a car in half the time that it would
take her trainee, Mallory. Working together they c
do the job in 40 min. How long would it take Mallory
to do the job alone?
28. A swimming pool that usually takes 4 hr to fill took
left open.
How
6 hr to fill because a small drain was
long would it take the drain to empty a full pool?
29. It took 18 hr to fill a tank when the drain was acci-
dentally left open. Determine how long it normally
takes to fill and to empty the tank if it normally takes
3 hr longer to empty the tank than it takes to fill it.
30. An avid cyclist sets out to break his personal record
by averaging 20 mi/hr on a ride but realizes that he
has averaged only 18 mi/hr at the halfway point.
What will his average speed need to be for the second
half of the ride if he is to meet his goal?
31. Two planes that fly at 600 mi/hr in still air leave the
36.
2
37-

23. What number must be added to bo
tor and the denominator of -
equivalent to?
17
24. Find all numbers whose difference is 4 and the sum
of whose reciprocals is
to produce a fractio
25. A number is 4 more than twice another number. Find
all such numbers if the sum of their reciprocals is
3°
26. Josiah and his younger brother Lucas volunteered
to paint a community center. They did the job in
8 hr. Josiah could do the job alone in 12 hr. How long
would it have taken Lucas to do the job alone?
>C
34.
35.

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