Find the balance in the account after the given period. $3000 principal earning 5% compounded annually, 4 years

Given:

Principal= $3000

Rate of interest = 5%

Time = 4 years

n = 1 (compounded annually)

To find:

The balance in the account after 4 years

Solution:

Compound interest formula:

Substitute the given values.

To convert percentage into fraction divide by 100.

The balance in the account after 4 years is $3464.5.

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walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40