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Hitman42 [59]
3 years ago
5

gina painted 3/7 of a picture and George painted 2/7 of the picture. how much did they paint together

Mathematics
1 answer:
aliina [53]3 years ago
4 0

Answer:

5/7 of the picture

Step-by-step explanation:

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Veronica has been saving dimes and quarters she has 110 coins in all and the total value is 18.50 how many dimes and quarters do
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This problem can be solved by the chicken rabbits method or you can just do simple algebra.

I.) Chicken and rabbits method

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We will have a total value of 11 dollars

Now for each dime we switch out for a quarter, we adds 15 cents to the total value.

18.50-11=7.50 dollars

There are 750/15=50 group of 15 cents in the 7 dollars and 50 cents.

This also meant that we need to switch out 50 dimes for 50 quarters.

So we have 50 quarters.

That first method is very good and very quick once you get the hang of it, now I'm going to show you the algebraic way to solve this.

Let's say there are x dimes and y quarters.

Set up equation

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Now solve multiply first equation by 10

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subtract

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Now we set the numbers of quarters to y so the answer is 50 quarters.

I personally recommend using algebra whenever you can because the practice is very important and you will eventually get really fast at setting up and solving equations. The first method is faster in this case but the second is more generalize, hope it helps.

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Answer:

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Step-by-step explanation:

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