a parent increases a childs monthly allowance by 20% each year. if the allowance is 8$ per month now how many years will it take to reach 20$ per month? use the equation 20=8(1.2)^x to solve the problem. round to the nearest thousandth

Question

anonymous · Answer

8 years

anonymous · Answer

that was wrong

anonymous · Answer

it is?

anonymous · Answer

yes it was its ok though lol im just trying to pas this quiz i can take it multiple tmes

anonymous · Answer

okay well im sorry bout that though

anonymous · Answer

its all good

anonymous · Answer

So given the equation 20 = 8(1.2)^x, you have to solve for x. first step: divide both sides by 8 giving

20/8 = 1.2^x or 2.5 = 1.2^x

anonymous · Answer

uh... that turned out wrong too. Hang on. the answer should be between 5 and 6 I think

anonymous · Answer

okay, no its right. Are you familiar with the laws of logs?

anonymous · Answer

What you are going to have to do is put it into log form giving you |dw:1365690798288:dw|