Sally deposits 4000 in a certificate of deposit that pays 6.94% simple interest.What is her balance after one year?

Mathematics

1 answer:

nadezda [96]4 years ago

6 0

Answer:

4277.6

Step-by-step explanation:

Hello, I can help you with this

Step one

find the profit using a simple rule of three

4000 ⇔ 100%

then, how much(x) is 6.94?

x ⇔ 6.94%

the relation is

$\frac{4000}{100}=\frac{x}{6.94}\\ solve\ for\ x\\\\x=\frac{4000*6.94}{100}\\x=277.6\\$

the profit is 277.6

hence, her balance after one year is the initial amount plus interest earned

balance= 4000+277.6

balance= 4277.6

I hope it helps, Have a great day

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Answer:

A) answer c ; B) X+3.7=15.3 ; C) 15.3 - 3.7 = 11.6 ---> 11.6+3.7=15.3

Step-by-step explanation:

Solution for A: First you have to look for the line underneath the bar says 15.3 as this will represent the total amount of liters in the bucket altogether. This would be bar c since we also know that we have 3.7 liters added but are missing the amount that was previously inside the bucket.

Solution for B: Let X resemble the unknown amount of water. To solve B, we need to write an equation. We know that there was already an amount of water in the bucket prior to us pouring more in so X is our first addend. We then added 3.7 liters of water to the unknown amount so that is our next addend giving you X+3.7=15.3

Solution for C: Now that we know our equation, we do the inverse operation (subtraction) in order to figure out the missing amount of water. This means we do

15.3 - 3.7 = 11.6

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