lilai3
  • lilai3
Car Repairs: For these 3 exercises, use the graph below that shows the percent of all repairs for three car repair problems at a car repair shop.
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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lilai3
  • lilai3
|dw:1333170586860:dw| oh the horizontal axis, the first one is brake system, for 21% Then 14% is electrical. Then 9% is transmission on the vertical axis is all the percentages: percent of all repairs The questions ask: 1) Suppose a mechanic repairs 478 cars. Predict how many repairs will be made on transmissions. 2)For every 100 repairs, predict how many more repairs will be made on a brake system problem than on an electrical problem. 3) Predict the percent of repairs that will be one of the 3 problems in the graph.
anonymous
  • anonymous
gurl you're making me get up t ogeo get some paper and a pen llols hold on
lilai3
  • lilai3
lol :P but thanks for helping and ur time, FRIEND!:]

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anonymous
  • anonymous
oh stop it yew :''''''''''''< hehe
anonymous
  • anonymous
lilal is correct!!!
anonymous
  • anonymous
okay so for 1. we have: 478x9%=430.2 2. we have 100x21%=21 and 100x14%=14 3. Idk...I don't think I understand the q :D
anonymous
  • anonymous
3 is to simply add all three percentages. 44%
lilai3
  • lilai3
ya i don't really get the last one, also dat's really da reason i came on.. :D
anonymous
  • anonymous
ohh okay!
lilai3
  • lilai3
but @vish123, it says to be ONE OF THE 3
anonymous
  • anonymous
well then..ahh.. i just thought ONE OF THE THREE means an "OR",,which generally means to add the quantities between which it is applied. Also for the question two,,it is asking for the difference. It will be 7.
lilai3
  • lilai3
7/100? and i still don't get you for #3
anonymous
  • anonymous
not 7/100 actually. It asked how many MORE repairs will be made PER 100 REPAIRS. So from 100,we have 21 brake repairs and 14 electrical problems. The DIFFERENCE is 7, not the percentage so we don't need to divide by 100.
lilai3
  • lilai3
oh thanks, vish213 oh and also for #3?
anonymous
  • anonymous
#3 looks obvious to me :-D :-D "percent of repairs that will be ONE OF the 3" --> Well I can just think we need to add in such a situation. :-p I am probably bad at coming with examples. You don't want me to come with one that will confuse you even more :-D :-D
lilai3
  • lilai3
-__- whatever please say it anyway... i mite be able to get it... u never no.. cuz dere's sumthing called... a... miracle...! :D
anonymous
  • anonymous
One of the three means "Either first(brake), OR second(electrical), OR third(transmission)" While doing an OR operation, We always ADD. Should I try differently??
lilai3
  • lilai3
well, not to be offended r anything, but just get on with wut ur doing.... as in, plz already do the steps of how to do it if u no wut i mean?
anonymous
  • anonymous
OK... Let me simplify the question then. You just try to answer this question:- Suppose I come to you with some problems in my bike(assuming you are mechanic) several times a month. There are 100 problems you corrected in my bike. So at the time of paying, I say I will only pay for the problem WHICH is "one of the three"(read it as one sentence,don't read "one" separtly)-->brake, electrical, transmission. So if you can assume, and i have problems as per the graph, I'll only pay you for 44 of the problems you corrected. Try differently??
lilai3
  • lilai3
no please don't try differently cuz i fink i got dis, but is da answer 44? also, i don't get, 'So at the time of paying, I say I will only pay for the problem WHICH is "one of the three"(read it as one sentence,don't read "one" separtly)-->brake, electrical, transmission.' ya i fink dat's basically it
anonymous
  • anonymous
Ya the answer is 44. The problem supposed you worked on my bike several times a month, noted down each time the domain of problem(break or clutch or anything else), and I will only pay you at the end of the month :-p Then I saw the list and said those words you didn't got.(Anyways just relax I'll pay you for all your hard work :-D ) Earlier I said:- "I will only pay for the problems , which are either with brake, electrical and transmission" Let it go yaar . Just read the question some other time. The more you read obvious statements, the more complex they become to your mind.
lilai3
  • lilai3
thank you

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