Question:
The table below shows the number of pens in each type of bag.
(a) Mdm Ng has a total of 8 red and green bags. Find the smallest possible difference between the total number of pens in Mdm Ng’s red bags and the total number of pens in her green bags.
(b) Mr Lee has some red and some blue bags. The ratio of the total number of pens in Mr Lee’s red bags to the total number of pens in his blue bags is 6 : 5. Express the number of his blue bags as a fraction of the total number of his bags.
Solution:
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