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Lubov Fominskaja [6]
3 years ago
12

Students are going on a field

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

5 buses and 3 vans were taken.

Step-by-step explanation:

x+y=8

13x+5y=80

----------------

x=8-y

13(8-y)+5y=80

104-13y+5y=80

104-8y=80

8y=104-80

8y=24

y=24/8

y=3

x+3=8

x=8-3=5

x=5, y=3. (5, 3)

5 buses and 3 vans were taken.

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Alright, so the first step we are gonna do to solve this problem is subtract since Mason ate 5 ounces of the peanuts and so, we need to subtract 5 out of 29.8.

29.8 - 5 = 24.8

So, now there is 24.8 ounces.

Now we move onto the next step which is division. As you can see in the question it says "Then he divides the rest of the peanuts equally among 4 friends."

24. 8 ÷ 4 = 6.2

Since the answer is supposed to be a decimal..that's your answer!

So overall, each of Mason's friends get 6.2 ounces of peanuts.

Hope this helps!

If you are needing any more help, comment below this comment for any contact of mine. I'll be glad to help!

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3 years ago
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iren2701 [21]
Ok to start you have to put


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3 years ago
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Mademuasel [1]

Answer:

The percentage of ounces Leah has left of her coffee is 68.18%.

Step-by-step explanation:

The decrease percentage is computed using the formula:

\text{Decrease}\%=\frac{\text{Original amount - Decrease}}{\text{Original amount}}\times 100

It is provided that Leah originally had 22 ounce coffee.

Then she drinks 7 ounces of coffee.

Decrease = 7 ounces

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Compute the percentage of ounces Leah has left of her coffee as follows:

\text{Decrease}\%=\frac{\text{Original amount - Decrease}}{\text{Original amount}}\times 100

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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