Ladybird Football Team

The ladybird squad members have an average of 12 spots each. How many spots does the pine ladybird have?
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Problem



The $6$ member squad for the Ladybirds five-a-side team consists of a $2$-spot ladybird, a $10$-spot, a $14$-spot, an $18$-spot, a $24$-spot and a pine ladybird (as reserve).

The average number of spots for members of the squad is $12$.

How many spots does the pine ladybird have?