Alex has $30,000 in his savings account that earns 10% annually. how much interest will he earn in on year?

The interest he earns in one year is $3000

Step-by-step explanation:

We are given

Alex has $30,000 in his savings account that earns 10% annually

so,

P=30000

r=10%

t=1 years

now, we can find interest

now, we can plug values

now, we can simplify it

So,

The interest he earns in one year is $3000

b.an increase in a causes b to decrease

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step-by-step explanation: