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forsale [732]
3 years ago
7

Can you please help me with this question ASAP I will give 25 points can you give it with an explanation because I need to show

it

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0
It’s b because if you add up the full amount of all the snacks it is 20 . And that number is going to be the bottom number. So the other ones aren’t right because they don’t have 20 as the bottom number.
Hope this helps :)
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130% of the sum of 7 and a number n is equal to 91.
dybincka [34]
130\%(7+n)=91 \\
1.3(7+n)=91 \\
7+n=\frac{91}{1.3} \\
7+n=70 \\
n=70-7 \\
n=63
4 0
3 years ago
Read 2 more answers
A
Serjik [45]

Answer

925 students brought their lunch.

Explanation

First let's rewrite the equation.

You know that "of" means multiply and "is" means equal.

Okay, so let's break it down.

The question says, "At your school, 74% of students brought their lunch at the cafeteria. There are 1250 students in the school."

This means that 74% of 1250 students brought their lunch at the cafeteria.

You are trying to find how many students brought their lunch. This will be x.

So the equation would be this.

74% × 1250 = x

74% is 0.74.

0.74 × 1250 = x

0.74 × 1250 = 925

So 925 students brought their lunch.

6 0
3 years ago
W(n) = n + 3; Find the value of w(-5)<br> A) 2 <br> B) -2<br> C) 3<br> D) 1
Lina20 [59]

Answer:

-2

Step-by-step explanation:

-5 + 3 = -2

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)

6 0
3 years ago
How to solve this problem 15 = 5x
Lostsunrise [7]

Answer:

x = 3 (see below)

Step-by-step explanation:

To solve for x, you need to isolate the variable to one side of the equation. To do that, you need to use reverse operations. For example, the reverse operation of subtraction is addition.

In this case, we have:

15 = 5x

5x is the same thing as 5 (x) or 5 times x. This means the reverse operation is division. So, we need to divide both sides of the equation by 5:

15 = 5x

-----   ----

5       5

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

3 = x

x = 3

4 0
2 years ago
A radio station installs a vhf radio tower that stands 1500 ft
aleksley [76]
Whats the question u just told us some of the information
4 0
3 years ago
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