mama giraffe: x
baby giraffe:
= 15
= (3)15
3x + 2x = 45
5x = 45
x = 9
baby giraffe: = = 2(3) = 6
Answer: 6 m
More precisely it would be beating 114 times in a minute!
This infinite sum is given by
a
S = ------ but ONLY if r<1. Here, r>1, so the infinite sum does not exist.
1-r