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Vladimir [108]
3 years ago
10

Zoe has $24 in a savings account. The interest rate is 5% per year and is not compounded. How much will she have to save in 4 ye

ars Use formula I= p times r times t
Mathematics
1 answer:
umka2103 [35]3 years ago
7 0

Answer:

$28.8

Step-by-step explanation:

First we need to get the interest on the savings for the 4years. Since it is not compounded, we will use the simple interest (SI) formula.

According to the simple interest formula, SI = Principal × Rate × Time/100

Give principal = $24 rate = 5℅ time = 4years

SI = 24×5×4/100

SI = 480/100

SI = $4.8

Zoe interest for four years will be $4.8.

Amount she has saved for 4years = principal + interest = $24+$4.8

= $28.8

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Given:

The given digits are 1,2,3,4,5, and 6.

To find:

The number of 5-digit even numbers that can be formed by using the given digits (if repetition is allowed).

Solution:

To form an even number, we need multiples of 2 at ones place.

In the given digits 2,4,6 are even number. So, the possible ways for the ones place is 3.

We have six given digits and repetition is allowed. So, the number of possible ways for each of the remaining four places is 6.

Total number of ways to form a 5 digit even number is:

Total=6\times 6\times 6\times 6\times 3

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