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vova2212 [387]
3 years ago
10

Jason has 25 coins in is pocket total change is 505 how many dime and quarters he has?

Mathematics
1 answer:
melamori03 [73]3 years ago
4 0
10x+25y=505
x+y=25

10x+25y=505
-10(x+y)=-10(25)

15y=255
y = 17

Plug back in.

x+17=25

x=8

8 dimes, 17 quarters
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Kayla needs $14,000 worth of new equipment for his shop. He can borrow this money at a discount rate of 10% for a year.
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$15400

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3 years ago
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Answer:

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Step-by-step explanation:

Since we do not know the ages, let’s represent the ages by variables at first.

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Now, let’s proceed to have equations.

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Now, to get the individual ages, we will need to solve both equations simultaneously.

Solving both equations simultaneously without mathematical softwares can be a little hard.

By the use of mathematical software ( wolfram alpha to be specific), we can input both equations and allow the software to solve.

By inputing these equations, we have the values of t to be 7 and m to be 13

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The range of her scores is 26.

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You get the highest number and the lowest number.

99-73= 26

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