Sixty four
6 tens 4 ones
64 ones
60+4
8 to the power of 2
First you need to get rid of the parenthesis by distributing the 0.6 to each term inside.
(0.6)(10n) + (0.6)(25) =10+5n
6n +15 = 10+5n subtract the 5n on both sides and subtract 15 from both sides
6n-5n = 10-15
n=-5
Part A: increasing, 109%, 1.09 is the growth factor.
part B: the first account. the first account has a higher consistent growth factor. the second account has nogrowth factor and the gear to year percent growth is lower