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Y_Kistochka [10]
3 years ago
13

The lcd of 3,12,15 ,and the gcf of 9,16,36

Mathematics
1 answer:
Oduvanchick [21]3 years ago
5 0
The GCF would be one and if you were to change the numbers 3,12,15 to fractions the I guess that would be one too
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mezya [45]
The have been saving for 10 weeks.

Given:
Duane = $5 every other week. meaning every 2 weeks
Mick = $2 every week
Amount Saved = $45

First, divide Duane's $5 by 2 to get his weekly contribution.
$5/2 = $2.50

let x be the number of weeks.

Duane + Mick = $45
2.50x + 2x = 45
4.50x = 45
4.50x/4.50 = 45/4.50
x = 10 weeks

to check:
2.50x + 2x = 45
2.50(10) + 2(10) = 45
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3 years ago
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denis-greek [22]
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o-na [289]
C. 5x - 2y = 16 is your answer

plug in each point into the equation.

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x = 4, y = 2

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hope this helps
4 0
3 years ago
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