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Mathematics 13 Online
OpenStudy (anonymous):

The graph shows how many cans of each type of cat food were sold one day. (I will post the graph in a bit!) About what percent of all the cans sold contained tuna-flavored food? a. 15% b. 30% c. 65% d. 80% my answer is: D. 80% am i right??? or no???

OpenStudy (anonymous):

OpenStudy (anonymous):

@Callisto what do you think??? am i correct?

OpenStudy (anonymous):

@apoorvk hi again! what do you think??

OpenStudy (anonymous):

thanks for coming @jim_thompson5910 is my answer right???

OpenStudy (callisto):

Not correct?! % = tuna/all x 100%

OpenStudy (apoorvk):

A wee bit of a mistake this time :) *0 - that is the total no. of tuna cans sold isn't it? For the percentage, you need to find out the total no. of cans sold, and find out what percentage of that is the no. of tuna cans sold.. Helps?

jimthompson5910 (jim_thompson5910):

yes, this is definitely a trick question in which you have to be careful of

OpenStudy (anonymous):

awww :( soo is it 30% then??? cuz i got 0.33333, so is that correct now? or no? can you please explain to me??

OpenStudy (apoorvk):

sorry i mean "80" not "*0" - typo lol.

jimthompson5910 (jim_thompson5910):

Simply add up all the numbers. Then divide 80 by that total.

OpenStudy (callisto):

I got similar answer... Basically, you don't have the exact number... so, it's not easy to get the exact answer for the question

jimthompson5910 (jim_thompson5910):

Finally, move the decimal place 2 spots to the right to convert the answer to a percentage

OpenStudy (anonymous):

soo i got about 32.5%.... so is the answer 30%????

OpenStudy (apoorvk):

yeah. looks like they sold 35 of liver, 64 of turkey, 81 of tuna, and so on... can you guess how many of salmon and chicken from the graph?

jimthompson5910 (jim_thompson5910):

that sounds right, that's about what I'm getting as well

OpenStudy (anonymous):

salmon=45 and chicken=29

OpenStudy (anonymous):

so the answer is 30% for sure?? based on all the work above????

OpenStudy (anonymous):

so the answer is b. 30% ???

OpenStudy (callisto):

I just roughly take the data as: 35, 65, 45, 80, 30. so, it's about 80/ (35+ 65+ 45+ 80+ 30) x 100% ~ 30%

OpenStudy (apoorvk):

Yup! so add 'em up - you get about 254 - total no. of cans sold. out of that 80 is like 32% to me - so yeah you are right! :)

OpenStudy (anonymous):

oh okay, thank you! @callisto i gave you a medal but i can only give one... can you please give @apoorvk and @jim_thompson5910 a medal as well for me??? MUch appreciated! thanks for the help!! :)

OpenStudy (apoorvk):

It's okay @iheartfood , i don't need one :)) - your gesture means a lot in itself :)

OpenStudy (anonymous):

oh thanks!! this sucks. they should definitely allow the person asking the question to give out more than 1 medal... boo haha lol thanks for the help! :)

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