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lesya [120]
3 years ago
9

Nico is saving money for his college education. He invests some money at 9​%, and ​$1700 less than that amount at 8% The investm

ents produced a total of ​$306 interest in 1 yr. How much did he invest at each​ rate?
Mathematics
1 answer:
Mashutka [201]3 years ago
5 0

Answer:

$2600 at 9%  and $900 at 8%

Step-by-step explanation:

Convert world problem to algebra:

(x*1.09)+((x-1700)*1.08) = (2x-1700)+306

Solve problem:

1.08 (x - 1700) + 1.09 x = 2 x - 1394

x=2600

first value is x (2600) and second value is 1700 less than x so its x-1700 (2600-1700=900)

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satela [25.4K]

Answer:

The markup amount on the cost 39.99 $ will be: 8.78 $

Step-by-step explanation:

Given

  • The cost = 39.99 (Let say in $)
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As

22% = 0.22

The markup of 22% on the cost can be calculated by multiplying the cost by 22% or 0.22

so

Markup amount = 0.22 × 39.99

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Therefore, the markup amount on the cost 39.99 $ will be: 8.78 $

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3 years ago
10.There are 476 students at Jackson School.They are all going on a field trip along with 35 additional sponsors (teachers and p
aleksklad [387]

Answer:

9 buses

Step-by-step explanation:

There are 476 students plus 35 sponsors

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3 years ago
The image below is a triangle drawn inside a circle with center O: Which of the following expressions shows the area, in square
s344n2d4d5 [400]
We know that
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diameter=4 in
 r=4 in/2-----> 2 in

so
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the answer is
the area, in square inches, of the circle is <span>3.14 • 2²</span>
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Find the length of a side of a square if its area is m^2 square units
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Answer:

m

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Square area: m²

The formula for finding the square area: m×m=m²

m²=√(m²)=m

one side of the square is equal to m

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