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faltersainse [42]
2 years ago
6

Samantha has some dimes and quarters. She has 7 more dimes than quarters and the collection of coins is worth $10.15. How many d

imes and quarters does Samantha have? Write an equation(s) to represent the situation and then solve. Be sure to define your variable(s) and clearly answer the question.
Mathematics
1 answer:
Umnica [9.8K]2 years ago
6 0
Omg my name is Samantha sorry i can’t help you. I hope someone can help you!!!!
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Help
ycow [4]

Answer:

hat: $12

t-shirt: $8

Step-by-step explanation:

Let the price of 1 hat = h.

Let the price of 1 t-shirt = t.

Julie: h + 2t = 28

Raj: 2h + t = 32

We have a system of 2 equations in 2 variables.

h + 2t = 28

2h + t = 32

Let's use the substitution method to solve the system of equations.

Solve the first equation for h.

h = 28 - 2t

Substitute 28 - 2t for h in the second equation.

2(28 - 2t) + t = 32

56 - 4t + t = 32

56 - 3t = 32

-3t = -24

t = 8

h = 28 - 2t

h = 28 - 2(6)

h = 12

Answer:

hat: $12

t-shirt: $8

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2 years ago
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antoniya [11.8K]
I believe it’s B i’m so sorry if i’m wrong!!!
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The 25 coins in Danielle's piggy bank have a value of at least $1.44. The bank contains only nickels and dimes. What is the fewe
Tju [1.3M]
Should be 3 dimes at least.
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Answer:

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Step-by-step explanation:

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The answer is probably m=2 
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