The factory
Algebra
Level
1
A certain factory makes 10 types of dolls, 8 types of toy airplanes and 6 types of toy boats.
Each manager is responsible for either 2 or 3 types of toys. There are 10 managers. What percentage of managers are responsible for 2 types of toys?
100
40
80
60
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1 solution
There are (10 + 8 + 6) = 24 total types of toys. There are 10 managers. If each were responsible for 2 types of toy, that would cover 20 types. So 4 of the managers must be responsible for 3 types to boost the total types to 24. That leaves 6 managers responsible for 2 types.
6/10 = 0.6 = 60%