Question

After its first day of life, a baby blue whale started growing. It grew 47.075 inches. If the average baby blue whale grows at a rate of 1.5 inches a day, for how many days did the baby whale grow, to the nearest tenth of a day?

Answer 1

I believe its 31 days

I divided and got the answer

Answer 2

Answer:

After the first day, Length of baby blue whale=47.075 inches

It is given that, average baby blue whale grows at a rate of 1.5 inches a day.

⇒ To the nearest tenth of a day, increase in Height of baby blue whale will be

$=47.075 \times \frac{1.5}{10}\\\\=7.06125$  inches        

Number of Days for which the baby whale grow, to the nearest tenth of a day

    $=\frac{47.075}{7.06125}\\\\=6.67$

=Approximately 7 days