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Mathematics 19 Online
OpenStudy (anonymous):

please help me Lena needs $50 to buy some notebooks. She had saved $2 and plans to work as a babysitter to earn $8 per hour. Which inequality shows the minimum number of hours, n, that Lena should work as a babysitter to earn enough to buy the notebooks? 2 + 8n ≤ 50, so n ≤ 6 8n ≤ 50 + 2, so n ≤ 6.5 8n ≥ 50 + 2, so n ≥ 6.5 2 + 8n ≥ 50, so n ≥ 6

OpenStudy (anonymous):

yes plz explain

OpenStudy (anonymous):

Why dont YOU???

OpenStudy (some.random.cool.kid):

jeff what do you believe it is

OpenStudy (anonymous):

C

OpenStudy (anonymous):

boom

OpenStudy (some.random.cool.kid):

ok so she needs 50 dollars for a notebook she has 2 dollars to start with and plans to work for 8 dollars so lets solve this and that doesnt mean its correct kng

OpenStudy (anonymous):

having trouble ?

OpenStudy (some.random.cool.kid):

no im working it out

OpenStudy (some.random.cool.kid):

then im going to explain

OpenStudy (anonymous):

oky doky

OpenStudy (some.random.cool.kid):

ok so n seems to be larger than 6.5

OpenStudy (anonymous):

ok

OpenStudy (some.random.cool.kid):

one way to figure out how many time she needed to work to get to 50 is by dividing 50/8 then add the 2 that she saved

OpenStudy (anonymous):

8.25

OpenStudy (anonymous):

so thats the answer?

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