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.
|
Colour |
Total toys |
Percentage of cars |
|
C1 |
500 |
12 |
|
C2 |
600 |
15 |
|
C3 |
400 |
12.5 |
|
C4 |
550 |
10 |
|
C5 |
650 |
20 |
|
C6 |
450 |
10 |
What is the total number of car toys of C2 and C3 taken together?
Answer & explanation
Correct answer: option 3
Total number of car toys in C2 & C3 = \(\frac{15 }{100}\) × 600 + \(\frac{12.5 }{100}\) × 400
= \(\frac{3 }{20}\) × 600 + \(\frac{1 }{8}\) × 400
= 90 + 50
= 140