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bija089 [108]
3 years ago
6

"at the end of the year Juan has $52.71 more than 4 times his balance at the beginning of the year if his ending balance was $17

2.90 what is found at the beginning of the year"
Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
8 0
At the end of the year, Juan has 52.71 more than 4 times his balance at the beginning. Okay, let's set this up.

4x + 52.71
(4 times) (52.71 more)
His ending was 172.90, so
4x + 52.71=172.90
4x= 120.19
x= 30.05
He had $30.05 at the beginning of the year.
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Unfortunately, this doesn't make sense, since the LCM of two numbers is generally an integer.


Try thinking this way:  If the LCM is 60, then xy = 60.  What would happen if x=5 and y=12?  Is xy = 60?  Yes.  Is 5 seven less than 12?  Yes.






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