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Mathematics 12 Online
OpenStudy (mrcoolguy):

1. Emmanuel bought 28 lb of potting soil this week. This amount is 4 lb more than twice the amount of potting soil he bought last week. Answer the following questions to find the number of pounds of soil Emmanuel purchased last week. (a) What is the unknown information? (b) Let p represent the unknown information. Write an equation to model the problem. (c) Which number, 10, 11, or 12, will solve the equation in Part (b)? Show your work. (d) How many pounds of potting soil did Emmanuel buy last week?

OpenStudy (redr0se03399):

what do you thing the unknown info is @MrCoolGuy ?

OpenStudy (redr0se03399):

think*

OpenStudy (redr0se03399):

we know that he bought 28lb this week.

OpenStudy (redr0se03399):

and that the amount is 4lb MORE than what he bought last week, right?

OpenStudy (redr0se03399):

tag me when you come back online @MrCoolGuy

OpenStudy (mrcoolguy):

@RedR0se03399

OpenStudy (redr0se03399):

okie

OpenStudy (redr0se03399):

any idea as to what the unknown is?

OpenStudy (mrcoolguy):

no because, it's unknown LOOOOOOOOL

OpenStudy (redr0se03399):

....

OpenStudy (mrcoolguy):

jk idk help

OpenStudy (redr0se03399):

....

OpenStudy (redr0se03399):

ok, so what do we know?

OpenStudy (mrcoolguy):

ik that i need help and ucan give it to me

OpenStudy (redr0se03399):

not if you keep acting like this.

OpenStudy (mrcoolguy):

Sorry!

OpenStudy (redr0se03399):

read over the question, and tell me what we know.

OpenStudy (mrcoolguy):

it's asking, (a) What is the unknown information? We know that we need to find out what the unknown is, so far.

OpenStudy (redr0se03399):

-.-

OpenStudy (redr0se03399):

Emmanuel bought 28 lb of potting soil this week. This amount is 4 lb more than twice the amount of potting soil he bought last week. Answer the following questions to find the number of pounds of soil Emmanuel purchased last week.

OpenStudy (redr0se03399):

that question.

OpenStudy (mrcoolguy):

yes

OpenStudy (redr0se03399):

ill ask again, what do we know?

OpenStudy (mrcoolguy):

we know that he bought 28lb this week.

OpenStudy (redr0se03399):

good!

OpenStudy (redr0se03399):

what else do we know?

OpenStudy (mrcoolguy):

and that the amount is 4lb MORE than what he bought last week.

OpenStudy (redr0se03399):

4lb more than twice the amount he bought last week, right?

OpenStudy (mrcoolguy):

yes

OpenStudy (redr0se03399):

so, what DONT we know?

OpenStudy (mrcoolguy):

idk

OpenStudy (redr0se03399):

.... it is the only variable that they do not give us.

OpenStudy (mrcoolguy):

x

OpenStudy (redr0se03399):

omg

OpenStudy (redr0se03399):

how much soil did he buy last week?

OpenStudy (mrcoolguy):

a lot

OpenStudy (redr0se03399):

omg, you are impossible!

OpenStudy (mrcoolguy):

im sorr

OpenStudy (redr0se03399):

its ok...

OpenStudy (mrcoolguy):

ty

OpenStudy (redr0se03399):

so....

OpenStudy (redr0se03399):

what dont we know?

OpenStudy (mrcoolguy):

how much he bot

OpenStudy (redr0se03399):

when?

OpenStudy (mrcoolguy):

Last week

OpenStudy (redr0se03399):

good!

OpenStudy (redr0se03399):

so, how would we be able to find out how much he bought last week?

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