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lisabon 2012 [21]
3 years ago
6

Each marble bag sold by Karen's Marble Company contains 3 blue marbles for every 5 yellow marbles. If a bag has 45 yellow marble

s, how many blue marbles
does it contain?
Mathematics
2 answers:
tekilochka [14]3 years ago
6 0

Answer:

27

Step-by-step explanation:

5/3 = 45/X

X = 27

kupik [55]3 years ago
6 0

Answer:

27 Blue marbles

Step-by-step explanation:

3 Blue marbles = 5 Yellow marbles

x = 45

(x multiply by 5) = 45 x 3

5x = 135

x = 135/5

x = <u>27</u> Blue Marbles

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2 years ago
The sum of two numbers is 53. if twice the first number minus three times the second number is 26, find both numbers.
EastWind [94]
Make an equation system based on the problem
eg. a is the first number and b is the seond number
An equation for "<span>The sum of two numbers is 53" is
</span>⇒ a + b = 53
An equation for "<span>twice the first number minus three times the second number is 26"
</span>⇒ 2a - 3b = 26
<span>
Solve the equations by elimination and subtitution method
Eliminate a to find the value of b
a + b = 53   (multiplied by 2)
2a - 3b = 26
--------------------------------------
2a + 2b = 106
2a -  3b = 26
------------------- - (substract)
       5b = 80
         b = 80/5
         b = 16

Subtitute the value of b to one of the equations
a + b = 53
a + 16 = 53
a = 53 - 16
a = 37

The numbers are 16 and 37</span>
6 0
3 years ago
Solve the inequality for x. -4x -6 &lt;50
Nostrana [21]

Answer:

x >-14

Step-by-step explanation:

To solve the inequality, we need to isolate the variable, x

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Since we divided by a negative number, we must flip the inequality sign

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Flip the inequality sign

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8 0
3 years ago
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