SOLUTION: Please help me set up an equation for this word problem!
Brent sent or received 384 text messages in 8 days. At this rate, how many text messages would he send or receive in 30
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Question 880490: Please help me set up an equation for this word problem!
Brent sent or received 384 text messages in 8 days. At this rate, how many text messages would he send or receive in 30 days?
thanks
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Set up the proportion
(384 messages)/(8 days) = (x messages)/(30 days)
which turns into
384/8 = x/30
-------------------------------------------------------
Now cross multiply and solve for x
384/8 = x/30
384*30 = 8x
11520 = 8x
11520/8 = x
1440 = x
x = 1440
He sent & received 1440 text messages in 30 days.
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