Answer:
8,640
Step-by-step explanation:
c) Commutative property.
A
a = 3n-30 solve for 'n'
a + 30 = 3n
n = (a+30)/3
n(a) = (a+30)/3
100+10n
Step-by-step explanation: a(10)
100+10(10)
100+100 = 200
11.7916666667