Answer:
y=3
Step-by-step explanation:
4y-1=11
+1 +1
4y=12
/4 /4
y=3
Answer:
$268.78
Step-by-step explanation:
We will use the compound interest formula to solve this:

<em>P = initial balance</em>
<em>r = interest rate (decimal)</em>
<em>n = number of times compounded annually</em>
<em>t = time</em>
First, change 3% into its decimal form:
3% ->
-> 0.03
Now, plug in the values:


After 10 years, you will have $268.78
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It will take 20 years for the shrub to reach a height of 7 feet.