Answer:
18
Step-by-step explanation:
Do
to get 30.
Do
to get -12.
Do
to get 18.
18 is the answer.
Unit price for smaller bottle = 2.19 / 13.5 = $0.16 per ounce
For larger bottle its 5.37 / 29.2 = $0.18 per ounce
( to the nearest cent).
The better buy is the 13.5 ounce bottle
Solve the following: $10 = $7.03(1.03)^t for t.
log 10 - log 7.03 = tlog 1.03. Solve for t.
1 - 0.847
---------------- = t = 11.77 years (answer)
0.013