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Eddi Din [679]
2 years ago
14

What’s the answer? Please Please Help me

Mathematics
2 answers:
yuradex [85]2 years ago
7 0

Hello!

As for this question, you would set up an equation based on what the question is, it would be the following:

x + 79 = 234

Subtract 79 from both sides to be able to find the correct solution.

234 - 79 = 155

Therefore, the answer would be 155 is the amount she has stamped by far.

OverLord2011 [107]2 years ago
5 0
The answer is 155 . 234-79=155 !
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5 0
3 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
Mathematics question please help
Elan Coil [88]

Answer:

27

Step-by-step explanation:

To find the average change in elevation, you have to make it a unit rate. So we find that 378/14=27

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