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Mathematics 13 Online
OpenStudy (anonymous):

A certain nutrition bar contains 15% of the recommended daily allowance of saturated fat. How many grams of saturated fat are in the bar? Total Fat = 65g Saturated Fat = 20g Cholesterol = 300mg Sodium = 2400mg Total Carbohydrates = 300g Fiber = 25g A. 4g B. 2.5g C. 5g D. 3g

OpenStudy (lilg132):

is that the daily allowance amounts you have given?

OpenStudy (lilg132):

if it is then you do saturated fat amount / 100 = This will be one percent and to work out 15 percent you need to multiply the answer you got by 15 :) dont forget to click good answer

OpenStudy (anonymous):

wats the answer

OpenStudy (lilg132):

did you understand how to work it out? which bit did you not understand?

OpenStudy (anonymous):

i just dont see the answer

OpenStudy (lilg132):

ok explain to me how you are trying to get the answer and i will help you get it

OpenStudy (anonymous):

:-|

OpenStudy (lilg132):

whats wrong?

OpenStudy (anonymous):

the middle part of that is the graph and the bottom is the answer choices

OpenStudy (lilg132):

yes ok so we have the value of the amount of daily saturated fat now i've given you the method of how to work it out what didnt you understand in that part of the method?

OpenStudy (anonymous):

so do i divid 20/100

OpenStudy (anonymous):

divide*

OpenStudy (lilg132):

yes and that answer is 1% of 20g

OpenStudy (lilg132):

but we need to work out what 15% of 20g is

OpenStudy (anonymous):

i dunno that either

OpenStudy (lilg132):

ok you got the first bit right so you do 20/100 = ??? the answer will be 1%

OpenStudy (lilg132):

what do you get when you do that

OpenStudy (anonymous):

5g

OpenStudy (lilg132):

no you've done the division the wrong way round

OpenStudy (lilg132):

its supposed to be 20 divided by 100 not 100 divided by 20

OpenStudy (anonymous):

0.2

OpenStudy (lilg132):

ok now we have 0.2 which is 1% of 20g but we want to work out 15% so what do you think we do to get 15%

OpenStudy (anonymous):

so, once you get 0.2, you need to add that number to itself 15 times so that you can get what the allowance would be if you had 15%

OpenStudy (anonymous):

6

OpenStudy (lilg132):

how did you get 6?

OpenStudy (anonymous):

so, once you get 0.2, you need to add that number to itself 15 times so that you can get what the allowance would be if you had 15%

OpenStudy (lilg132):

we have the answer for 1% 1% = 0.2g we need to get 15% 15% = 0.2(15)

OpenStudy (anonymous):

i'm not sure you added right

OpenStudy (anonymous):

3

OpenStudy (anonymous):

YAY!!!

OpenStudy (anonymous):

can you give me a good answer

OpenStudy (anonymous):

using what you know, that your final answer is 3 grams, you need to look at your multiple choices and determine which one matches

OpenStudy (anonymous):

d

OpenStudy (anonymous):

yep :)

OpenStudy (anonymous):

can you give me a good answer

OpenStudy (anonymous):

i just did. you know what your final answer is: D

OpenStudy (anonymous):

no the medal

OpenStudy (anonymous):

o :)

OpenStudy (anonymous):

yey thanx now im level 2 yey

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