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Algebra 15 Online
OpenStudy (anonymous):

Page 1 of 20 Juan is not yet 30 years old. He is 12 years older than Maria. Write an inequality to represent Maria' s age

jimthompson5910 (jim_thompson5910):

let m = maria's age j = juan's age

jimthompson5910 (jim_thompson5910):

Juan is not yet 30 years old ----> j < 30 "He is 12 years older than Maria" tells us that j = m + 12

OpenStudy (anonymous):

how would it look like as an inequality?

jimthompson5910 (jim_thompson5910):

if j = m+12 and j < 30, then ....?

OpenStudy (anonymous):

It would look like j<30+12?

jimthompson5910 (jim_thompson5910):

start with j < 30 and replace j with whatever its equal to

OpenStudy (anonymous):

so it would be 12<30 right

jimthompson5910 (jim_thompson5910):

j is not equal to 12

OpenStudy (anonymous):

aw I thought it was cause j=m

jimthompson5910 (jim_thompson5910):

no they aren't equal in age

jimthompson5910 (jim_thompson5910):

one is 12 yrs older

OpenStudy (anonymous):

is it m-12<30 m<30 30-m>12

jimthompson5910 (jim_thompson5910):

look back at my previous posts and try again

OpenStudy (anonymous):

I think it may be m+12<30

jimthompson5910 (jim_thompson5910):

now solve for m

OpenStudy (anonymous):

would I subtract 12 from both sides?

jimthompson5910 (jim_thompson5910):

yep

OpenStudy (anonymous):

And ill get my answer?

jimthompson5910 (jim_thompson5910):

yes

OpenStudy (anonymous):

Alright thanks for the help

jimthompson5910 (jim_thompson5910):

yw

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