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Zarrin [17]
3 years ago
14

Solve: 5n + (3 x 4) n= 6 *

Mathematics
2 answers:
valentinak56 [21]3 years ago
8 0
Combine the like terms
Contact [7]3 years ago
5 0
Collect like terms
5n+12n=6

divide both sides
17n=6

solution:
n=6/17
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In a jar of marbles 9 out of 15 marbles are purple. Of there are 400 marbles in the jar, how many of th are not purple?
kramer

Answer:

C) 160

Step-by-step explanation:

Set up a proportion:

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Cross multiply and solve for x:

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x = 240

This means in 400 marbles, 240 are purple.

To find how many are not purple, subtract 240 from 400:

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3 years ago
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