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3 years ago

7

The friends will hike through sections trail during 3 summers,over a total of 9 months. They wanted to cover about the same dist

ance each month. Reaserch the length of the trail in miles. Use compatible numbers to estimate the numbers each month

2 answers:

Hunter-Best [27]3 years ago

8 0

You have to do 3×9=27 because it is each month

Lena [83]3 years ago

8 0

3 x 9 = 27. So, that'd be your answer.

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Step-by-step explanation:

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2 years ago

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2 years ago

Jake is 2 5 25 years old. Next year, he'll be 2 6 26 years old. What is the percentage increase in Jake's age from last year?

kramer

Answer:

4%

Step-by-step explanation:

We have been given that Jake is 25 years old. Next year, he'll be 26 years old.

To find the percentage increase in Jake's age from last year, we will use percentage decrease formula as our original value is less than new value.

$\text{Percentage decrease}=\frac{\text{Original-New}}{\text{Original}}*100$

Now let us substitute our given values in above formula.

$\text{Percentage decrease in Jake's age from last year}=\frac{25-26}{25}*100$

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3 years ago

Read 2 more answers

Can anyone please help me with my math homework!!!

Lena [83]

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2 years ago

You need 320 mL of a 85% alcohol solution. On hand, you have a 60% alcohol mixture. How much of the 60% alcohol mixture and pure

Radda [10]

Answer:

Step-by-step explanation:

If we let x = the amount of 5% solution and y = the amount of pure alcohol, we can set up that

.05x+y is the amount of alcohol in our resulting mixture, and x+y is the total amount in our resulting mixture (which we know is 380)

so we also know that:

(.05x+y)/380 = .6

If we simplify this we come up with:

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If we solve this as a system of equations, we will find that:

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y=220 ml

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2 years ago