Mathematics, 22.11.2019 02:31, dvnive

leon wanted to know the age of a black
bear at the zoo. the zookeeper told leon
that if he added 10 years to the age of the
bear and then doubled it, the bear would
be 90 years old. how old is the bear?
(hint: using the facts given, start with 90
years and work backwards.)
(

Answers: 1

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leon wanted to know the age of a black
bear at the zoo. the zookeeper told leon
that if...