Question 60
The table below shows the number of toys of 6 different colours sold from a shop during a given period. The table also shows the percentage of toys of each colour which are cars.
What is the total number of car toys of C2 and C3 taken together?
Solution
total number of car toys of C2 and C3 taken together = 600 of 15% + 400 of 12.5%
= $$600\times\frac{15}{100}+400\times\frac{12.5}{100}$$
= $$6\times15+4\times12.5$$
= $$90+50$$
= 140
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