(20*30)/2 = 300
300 km is the area of the triangle
This is the Commutative Property of addition. called Commutative because the numbers move around to the other order, or "commute"
216 sequences are possible
You would have more than $102.
Earning 2% a year in interest would get you $2 in interest the very first year:
100(0.02) = 2
Adding this to the amount in the account, you would have 100+2 = 102 after the first year.
