SOLUTION: Can you help solve this formala To estimate the number of words in a child's vocabulary, a pediatrician may use this formula V=60a-900 Where v is the number of vocabulary wor

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Question 767437: Can you help solve this formala
To estimate the number of words in a child's vocabulary, a pediatrician may use this formula
V=60a-900
Where v is the number of vocabulary words and A is the age of the child in months

Q: The child's vocabulary is 180 words.
A: ...?
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for a when V=60a-900 and V=180
180 = 60a - 900
add 900 to both sides of =
60a = 1080
a = 18 months