c = 90m
c = 65m - 25
c = 65m + 25
c = 25m + 65
h = 75s
h = 2s
h = 2s + 75
h = 75s + 2
B
D
A
C
h = 25s + 400
h = 400s - 25
h= (400 - 25)s
h= 400 - 25s