Question:
A primary root grows from 5 cm to 19 cm in a week. Calculate the growth rate and relative growth rate over the period.
Solution:
L1 = L0 + rt
19 – 5 = r x 1
14cm per week
Relative growth rate = Change/Initial*100
19-5/5 x 100
= 14/5 x 100
=280%
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