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ddd [48]
3 years ago
5

Every week, Fred deposits $84 into his savings account, which is 20% of his weekly income. How much income does Fred make each w

eek?
Mathematics
2 answers:
Alexeev081 [22]3 years ago
4 0

Answer:

Fred's monthly income is $420.

Step-by-step explanation:

There are two main ways of solving this. There are many ways of solving for this, but personally I like to do divide the percentage by 100 so it would look something like this-

100/20 = 5.

Then I multiply $84 by 5 which is $420.

nekit [7.7K]3 years ago
4 0

Answer:

ze answer is 420 since 84 is 20% of 100 and 20 x 5 - 100 so,84 x 5 = 420

Step-by-step explanation:

<h2>das ze anser®</h2>
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Step-by-step explanation:

Please find the attachment.

Let the leaning tower's be h meters tall, when it was originally built.

We can see from our attachment that the side with length 55.86 meters is hypotenuse and h is adjacent side for 4 degree angle.

Since we know that cosine relates the adjacent and hypotenuse of a right triangle.

\text{Cos}=\frac{\text{Adjacent}}{\text{Hypotenuse}}

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h=\frac{55.86}{\text{Cos (4)}}

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