$20 dollars if you start with $18 and subtract what his parents gave him its $10 then double it so $20 is the answer
Answer:
It will take 55 years for the account value to reach 38200 dollars
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
.
In this problem, we ahve that:

So
First we find how much we have to earn in interest.
.


How much time to earn this interest?




Rounding up
It will take 55 years for the account value to reach 38200 dollars
Answer:
4 gallons
Step-by-step explanation:
The total required quarts of paint is: 8 x 1/2 = 4
im not sure but pie is 3.14