Question
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(12) Annie had a sum of money at first.
She spent on a bag and of the remainder on a blouse.
She had of her money left.
(a) What fraction of her money did she spend on the blouse?
(b) How much money did she have at first?

Ask by Beck Robbins. in Singapore
Mar 22,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

Annie spent of her money on the blouse and initially had $390.

Solution

Let the amount of money Annie had initially be .
  1. After spending on the bag, she has
    remaining.
  2. She then spent of the remainder on the blouse. The cost of the blouse is
  3. It is given that after both purchases, she had of her initial money left, so
    Notice that the remaining money after the blouse purchase is also obtained by subtracting the blouse cost from the remaining money after the bag purchase:
  4. Set the amount left equal to :
  5. Multiply both sides by (the least common multiple of and ) to eliminate the fractions:
    Simplify each side:
  6. Distribute and solve for :
    Calculate :
    Thus:
    Subtract from both sides:
    so:
  7. Now, find the amount spent on the blouse:
    Since , we have:
  8. (a) To find the fraction of her money that she spent on the blouse, divide the blouse cost by the initial amount:
  9. (b) The amount of money she had at first is .

Answered by UpStudy AI and reviewed by a Professional Tutor

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Simplify this solution

Beyond the Answer

Let be the initial sum of money Annie had. After spending on the bag, she had left.
Next, she spent of the remainder on a blouse, which is:
After the blouse, she was left with:
According to the problem, this remaining amount is equal to :
To eliminate the fractions, let’s multiply through by 24 (the least common multiple of 8 and 3):
So, Annie initially had dollars.
(a) To find what fraction of her money was spent on the blouse:
The amount she spent on the blouse is .
The fraction of her total money spent on the blouse is:
(b) Therefore, Annie had at first.

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