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Dmitrij [34]
2 years ago
6

Monica deposits ​$300 into a savings account that pays a simple interest rate of 3.9​%. Paul deposits ​$400 into a savings accou

nt that pays a simple interest rate of 3.6​%. Monica says that she will earn more interest in 1 year because her interest rate is higher. Is she​ correct? Justify your response.
Mathematics
1 answer:
tiny-mole [99]2 years ago
4 0

Answer:

monica because with 3.4 % that is more than 2.3% and that is what they want to know so its monica

Step-by-step explanation:

The formula for calculating simple interest is given by :

S.I = \frac{ptr}{100}

For Monica

S.I = 300 x 3.4 x 1 / 100

S.I = $10.2

For Paul

S.1 = 400 x 2.4 x 1 / 100

S.I = $9.6

Therefore : Monica earned more interest

Monica's intrest rate is 1,224 and paul's is 840 so it would be monica.

(Hope this helps can I pls have brainlist (crown)☺️)

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PLEASE HELP I HAVE 5 MIN TO TURN THIS IN!!!!
LUCKY_DIMON [66]

Answer:

  • 3- False,
  • 4- True

Step-by-step explanation:

<h3>Garden A</h3>

<u>Rectangle with sides</u>

  • Width ⇒ 2x - 3 feet
  • Length ⇒ 5(2x - 3) = 10x - 15

<u>Perimeter is</u>

  • 2(w + l) = 2( 2x - 3 + 10x - 15) = 24x - 36
<h3>Garden B</h3>

<u>Triangle with sides</u>

  • 5x + 5, 4x + 2, 8x - 8

<u>Perimeter is</u>

  • 5x + 5 + 4x + 2 + 8x - 8 = 17x - 1
<h3>Statement 3</h3>

<u>The difference in perimeters is the difference is fencing:</u>

  • 24x - 36 - (17x - 1) = 24x - 17x - 36 + 1 = 7x - 35

Since it is different from 7x - 37 the statement is FALSE

<h3>Statement 4</h3>

Garden A is surrounded by a path of 2.5 ft wide

It will have the perimeter added by 2.5*2*4 = 20 ft as each side is extended by 2*2.5 ft = 5ft

<u>So the perimeter is going to be:</u>

  • 24x - 36 + 20 =
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This statement is TRUE

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3 years ago
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