Answer:
t = 4 + 6n
Step-by-step explanation:
a = 10
d = 6
in general
tn = a + (n-1)*d
tn = 10 + (n-1)*6
tn = 10 + 6n - 6
tn = 4 + 6n
So if n = 5 then
t5 = 4 + 6*5
t5 = 4 + 30
t5 = 34 which agrees with your givens.
it is 70% full
When it is 30 % empty it means it is 70% full
0.7x=0.3x+30
0.7x-0.3x=30
45 mph
EWAN KO DYA DI AKO MATH EXPERT
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