together, lauren and aaron sold 456 raffle tickets. Lauren sold 24 more than aaron. How many did lauren sell?
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OpenStudy (asnaseer):
lets say aaron sold 'x' tickets.
then we know that lauren sold 'x+24'.
total number of tickets sold is 456, so we can say:
tickets sold by aaron + tickets sold by lauren = 456
x + 24 + x = 456
OpenStudy (asnaseer):
you should be able to solve from there...
OpenStudy (anonymous):
456 tickets / 2 people= 228
24 ticket difference / 2 people = 12
Lauren sold 228+12 = 240
Aaron sold 228-12 = 216
OpenStudy (asnaseer):
recall your previous problem, so we can simplify this to:
2x + 24 = 456
now take 24 away from both sides
OpenStudy (asnaseer):
can you do that step?
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OpenStudy (anonymous):
2x+24-24=456-24 right?
OpenStudy (asnaseer):
correct, and this simplifies to:
2x = 432
so now divide both sides by 2...
OpenStudy (anonymous):
1= 216?!
OpenStudy (asnaseer):
x = 216 not 1 = 216 - nut I think you get the idea
OpenStudy (asnaseer):
*but
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OpenStudy (anonymous):
then 216 + 24 right?!!
OpenStudy (asnaseer):
so now we know lauren sold x+24 = 216 +24 (as you said) - well done!