Please help. Will give brainliest, five stars, thanks and 10 points. At a nursery, the mean age of 4 children is 31 months. Katy
joins the nursery. The mean age of all 5 children is now 30 months. Work out the age of Katy.
2 answers:
She would be about 1/6 years old
Answer:
total age of the four children is 4×31=124 months.
The total age after Katy joins is 30×5=150 months.
The age of Katy is the final total minus the original total,which is 150-124=26 months.
The age of Katy in years is 26 divided by 12 which results to 2 1/6years
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