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In a yoga class there were 12 members. Two members left the class and 4 new members joined. If the average age decreased by 4 years and the total age decreased by 2 years, what is the new average age of the class? |
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|
a) |
22 |
b) |
27 |
c) |
23 |
d) |
28 |
|
In a yoga class there were 12 members. Two members left the class and 4 new members joined. If the average age decreased by 4 years and the total age decreased by 2 years, what is the new average age of the class? |
|||||||
|
a) |
22 |
b) |
27 |
c) |
23 |
d) |
28 |