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3 years ago

four students spent 12 on school lunch.at this rate find the amount 10 students would spend on the same school lunch

Mathematics

1 answer:

zloy xaker [14]3 years ago

4 0

Step 1: Set up the proportion

4/12 = 10/x

Step 2: Cross multiply to get

120 = 4x

Step 3: Divide all by 4 to get

30 = x

Answer: So in total, 10 students would spend $30 on lunch!

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Vlad1618 [11]

The according to the perimeter, Parker takes 5 second longer than the Marin to run the perimeter.

According to the statement

We have to find that the comparison of the running time of the parker.

So, For this purpose, we know that the

Perimeter is the distance around the edge of a shape.

From the given information:

Katherine can run the perimeter of Kiker Park in 5.0 minutes and It takes Marin 1.45 minutes longer.

Marin takes 6.45 minutes and the Parker can run the perimeter of the park in 6.50 minutes.

Then from the statement it is clear that the

Time taken by Katherine = 5.0 minutes

Time taken by Parker = 6.50 minutes

Time taken by Marin = 5.0 minutes + 1.45 minutes

Time taken by Marin = 6.45 minutes.

from the timing we can say that the Marin's running time to Parker's running time is compared and the Parker takes 5 seconds more than the Marin.

So, The according to the perimeter, Parker takes 5 second longer than the Marin to run the perimeter.

Learn more about Perimeter here

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7 students have 8 books each. Which helps you find the total number of books?

bija089 [108]

Answer:

7 × 8

Step-by-step explanation:

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the sum of two numbers is 35. the second number, y, is equal to 4 times the first number , x. which system of linear equations r

ANTONII [103]

The system of linear equations x + y = 35 and y = 4x represents the two numbers

<u>Solution:</u>

Given that, The sum of two numbers is 35

The second number, y, is equal to 4 times the first number "x"

We have to find which system of linear equations represent the two numbers? We have two conditions for two variables, so we can obtain two equations, which means a system of equations.

Now, 1st condition ⇒ sum of two numbers is 35 ⇒ x + y = 35

And, 2nd condition ⇒ second number is 4 times the first number ⇒ y = 4x

Hence, the equations, x + y = 35 and y = 4x represents the given numbers.

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3 years ago