Anonymous
Mar 27
What Mary was given money by her mother. She spends ½ of her money on buying a dress. She, then, spends ¼ of the remaining amount to buy a Maths book. She remains with N$12? ?
Mary was given money by her mother. She spends ½ of her money on buying a dress. She,
then, spends ¼ of the remaining amount to buy a Maths book. She remains with N$12.
Use two different methods to find the total amount of money Mary was given by her
mother?
then, spends ¼ of the remaining amount to buy a Maths book. She remains with N$12.
Use two different methods to find the total amount of money Mary was given by her
mother?
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ChatGPT
Mar 27
Let's denote the amount of money Mary was given by her mother as M.
After spending half of her money on a dress, Mary has M/2 left.
She then spends 1/4 of the remaining amount on a Maths book, which means she spends (1/4)*(M/2) = M/8 on the Maths book.
After buying the Maths book, Mary has M/2 - M/8 = 3M/8 left.
We are told that Mary remains with N$12, so we can set up the equation:
3M/8 = 12
Solving for M:
3M = 96
M = 32
Therefore, Mary was given N$32 by her mother.
After spending half of her money on a dress, Mary has M/2 left.
She then spends 1/4 of the remaining amount on a Maths book, which means she spends (1/4)*(M/2) = M/8 on the Maths book.
After buying the Maths book, Mary has M/2 - M/8 = 3M/8 left.
We are told that Mary remains with N$12, so we can set up the equation:
3M/8 = 12
Solving for M:
3M = 96
M = 32
Therefore, Mary was given N$32 by her mother.
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