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Mathematics 17 Online
OpenStudy (sonyalee77):

Which number is in the solution set of the inequality 2/3c-3>=7?

OpenStudy (sonyalee77):

@superdavesuper

OpenStudy (superdavesuper):

hi sonya :) how are u? wat are the choicez plz?

OpenStudy (superdavesuper):

it is

OpenStudy (superdavesuper):

it is

OpenStudy (sonyalee77):

good and u 1/15 , -1/15, 15, -15

OpenStudy (superdavesuper):

it is (2/3) * c - 3 >= 7 right?

OpenStudy (sonyalee77):

yup :D

OpenStudy (superdavesuper):

put c=15 into (2/3) * c - 3, what would u get?

OpenStudy (the_fizicx99):

2/3c-3 ≥ 7 +3 +3 Add 3 to both sides 2/3c ≥ 10 You're multiplying by 2/3 c, so divide. c ≥ 10 / 2/3 (Look at the file attached)

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