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soldi70 [24.7K]
3 years ago
13

3.2/9 = n/36 N=_____ Solve for the proportion

Mathematics
1 answer:
telo118 [61]3 years ago
3 0
3.2/9 = n/36

i would suggest to cross multiply

3.2 * 36 = 9 * n

115.2 = 9n

115.2/9 = 9n/9

12.8 = n
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(Anna went to buy herself a new bag. The cost was $60. The bag had a 15% sale that day. How much money did she save?)
Kobotan [32]

Answer:

$9

Step-by-step explanation:

Since Anna is saving 15%, she is paying 85%. So you find 85% of $60 by multiplying 60*0.85=51.

Anna pays $51 for the bag. But to find out how much she saved, you do 60-51=9.

3 0
2 years ago
Latex-free gloves can be purchased in a box of 100 for $44.95 or a box of 50 for $23.50. Which one would be the best deal?
Mariulka [41]
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HOPE THIS HELPED :D
4 0
4 years ago
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Solve this system of linear equations. Separate the x and the y values with a comma.
ohaa [14]
4x = -60 - 19y
-7x = -48 - 19y

Subtract the bottom equation from the top:
4x + 7x = -60 + 48 - 19y + 19y

Simplify:

11x = -12 -0y
11x = -12

Divide both sides by 11:
11x/11 = -12/11

Simplify:
x = -12/11
Then plug in x to solve for y: 4(-12/11) = -60 - 19y

Simplify: -48/11 = -60 - 19y

Add 60 to both sides (keep in mind 60 = 660/11):

-48/11 + 660/11 = -60 + 60 - 19y

Simplify:
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612/11 = -19y

Divide both sides by -19 (keep in mind that dividing by -19 is the same as multiplying by -1/19):
612/11 • -1/19 = -19y/-19

Simplify:
-612/209 = y
y = -612/209

So, the answer is: (-12/11, -612/209)
4 0
3 years ago
In order to be invited to tutoring or extension activities, a student's performance must be at least 20 points higher or lower t
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8 0
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Maggie’s brother is 3 years younger than four times her age the sum of their ages is 27
adelina 88 [10]

well i think maggie would be 6

Step-by-step explanation:

6•3=18

18-4=14

14+6=20

5 0
3 years ago
Read 2 more answers
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