pearl bought 2/3 of her school books last week. what part is still left to be
bought ?
Answers
ANSWER
The answer is simple. There are two concepts to illustrate. First of all, we need to keep in mind that we started with a whole (represented by the quantity 1/1). Then we subtract the first quantity (represented by 2/5). We set up the equation as 1 - (2/5). We need to then convert the whole into a fraction form with a common denominator (bottom part of the fraction) by representing it as 5/5. Now that you have a common denominator, you subtract the numerator (top part of the fraction). That gives us: (5/5) - (2/5)= (3/5). So we end up with 3/5 remaining. Then to calculate the next part of the equation, we set up a simple equation to try to determine what part remains. Remember that Jane is now using 1/3 of what is remaining to buy a gift for her sister. We can represent this by subtracting 1/3 from the whole. 1 - (1/3) = (3/3) - (1/3) = (2/3). So in order to find the remaining portion of her savings, we'll multiply (2/3) by the (3/5) that remains after buying the first gift. So we represent this by (2/3) * (3/5). We evaluate this by multiplying both the numerators and denominators respectively. That gives us: (2/3) * (3/5) = (6/15). This can be reduced to 2/5. So Jane has 2/5 of her savings remaining.
1/3 part of books is still left to be bought.
Given:
pearl bought 2/3 of her school books last week.
To find:
what part is still left to be bought ?
Solution:
First, we will let the total number of books to be bought as x
Now, we have been given that she bought 2/3 of her book which 2/3 of x = 2x/3
Now, we have to find remaining books
Remaining books = Total books - books left
= x - 2x/3
= (3x-2x) / 3
= x/3
Now, we have to find the part
So, the books left is 1/3 of x
That means 1/3 of total books.
Hence, our answer is 1/3.
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