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Anna35 [415]
4 years ago
6

Emily was going to sell all of her stamp collection to buy a video game. After selling half of them she changed her mind. She th

en bought seventeen more. Write an expression for how many she has now.
i think you have to write an expression to this...
Mathematics
2 answers:
Zigmanuir [339]4 years ago
8 0
Ok. So if s stands for stamps then we can start our problem.

Emily sold have of her stamps: s/2. All of her stamps divided by 2

Then she changed her mind and bought some (17) more. So the final equation would be: s/2+17
Anastaziya [24]4 years ago
7 0

Answer:

  s/2 +17

Step-by-step explanation:

If s represents the number of stamps Emily started with, then the number she had after selling half of them is ...

  s/2

After purchasing 17 more, she had ...

  s/2 +17

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Step-by-step explanation:

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Part of the proceeds from a garage sale was $470 worth of $10 and $20 bills. If there were 14 more $10 bills than $20 bills, fin
Brums [2.3K]

There are 25 $10 bills and 11 $20 bills.

Step-by-step explanation:

Given,

Worth of proceeds from garage = $470

Let,

x be the number of $10 bills

y be the number of $20 bills.

According to given situation;

10x+20y=470       Eqn 1

x = y+14                Eqn 2

Putting value of x from Eqn 2 in Eqn 1

10(y+14)+20y=470\\10y+140+20y=470\\30y=470-140\\30y=330

Dividing both sides by 30

\frac{30y}{30}=\frac{330}{30}\\y=11

Putting y=11 in Eqn 2

x=11+14\\x=25

There are 25 $10 bills and 11 $20 bills.

Keywords: linear equation, substitution method

Learn more about linear equations at:

  • brainly.com/question/1279756
  • brainly.com/question/1284310

#LearnwithBrainly

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3 years ago
Can anyone help me with this?
faltersainse [42]

Answer:

a

Step-by-step explanation:

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4 years ago
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Answer:

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Step-by-step explanation:

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