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Fynjy0 [20]
3 years ago
10

Hailey received some cash for birthday. She spent $14.48 on a CD and donated $25.00 to charity. She put half of what was left in

to her savings account.She has $17.76 left. How much did she received on her birthday?
Mathematics
2 answers:
DaniilM [7]3 years ago
8 0
Work backwards.

After she put half of what she had left in, she had 17.76.

Multiply by 2:

17.76 * 2 = 35.52

Add 25:

35.52 + 25 = 60.52

Add 14.48:

75

So she received $75 on her birthday.
Triss [41]3 years ago
7 0
Start with what she was left with and work backwards
17.76 x 2 = 35.52
35.52 + 25 = 60.52
60.52 + 14.48 = 75

She was given 75 for her birthday
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Answer:

The sum of money received by Ali, Carrie and Bryan is $ 740.

Step-by-step explanation:

At first we translate mathematically each sentence:

(i) <em>Ali, Carrie and Bryan received a sum of money. </em>

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b - Bryan's money.

c - Carrie's money.

(ii) <em>Bryan's money was </em>\frac{3}{5}<em> of  Ali's money</em>.

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a = b + 160 (3)

After some algebraic handling, we have the following system of linear equations:

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The solution of the system is: a = 400, b = 240, c = 100

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s = a + b + c

s = 740

The sum of money received by Ali, Carrie and Bryan is $ 740.

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