Answer:
Two to One
Step-by-step explanation:
Hope this helps! :) Took me a long time...
Answers:
a. $131.44
b. $906.44
c. $32.86
d. $32.86
e. $32.86
f. $807.86
g. $34.25
h. Ryan earned more; he earned interest on top of his interest since he opened up a new account.
Apply lg on both sides.
lg7^x^2 = lg9^x
Bring the power forward.
x^2lg7 = xlg9
x^2/x = lg9/lg7
x = lg9/lg7 = 1.13
