Rates, SM-Bank 007

A young echidna weighed 1200 grams at the beginning of November just before leaving the burrow.

At the end of March it weighed 1850 grams.

Calculate the average rate of growth of the echidna for the 5 month period. (2 marks)

Show Answers Only

\(130\ \text{g}/ \text{month}\)

Show Worked Solution

\(\text{Growth}\)	\(=1200-1850\)
	\(=650\ \text{g}\)

\(\text{Rate of growth}/\text{month}\)	\(=\dfrac{650}{5}\ \text{g}/\text{month}\)
	\(=130\ \text{g}/\text{month}\)