Jack spent of 1/3 her money on a pack of pens 1/2 of her money on a pack of markers and 1/8 of her money on a pack of pencils. what fractions of her money is left.
Answers
The fraction of the amount of money that Jing had left is
The fraction of the amount of money Jing spent on the pack of pens =
The fraction of the amount of money she spent on a pack of marker =
The fraction of the amount of money she spent on a pack of pencils =
The fraction of the money left = 1
Further Explanation
One way to determine the total fraction of the amount of money she spent = the fraction of the money left - the fraction of the amount she spent on pack of pens + fraction of the amount spent on marker + fraction of the money she spent on pencils
Firstly, without the fraction of the money left, we have:
= + +
= + + , it also the same as
= (8+12+3) / 24 (24 is the lowest common denominator)
=
Since the fraction of the money left = 1
Therefore we have:
= 1 –
= (24 x 1) – (23 x 1) / 24 (24 is the smallest number that can divide the denominators)
Therefore we have:
= 24 – 23 / 24
= .
Therefore the fraction of the amount that Jing has left is .
Notably, we solve this question using the BODMAS rule.
Answer:
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