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Andrei [34K]
3 years ago
6

Money off coupons have been circulated to 300 households. Only 2/5 of these were redeemed (used) in the local supermarket to get

a free shampoo. What fraction of the coupons were unused ?
Mathematics
2 answers:
pochemuha3 years ago
6 0
If 2/5 were used wouldn't it make sense that 3/5 were unused
denis23 [38]3 years ago
5 0

Answer:

150

Step-by-step explanation:

So, 300 divided by 2/5 = 750.

When you simplify:

750 - 300 = 450 (NOT DONE YET!)

450 - 300 = 150

150 is the most simplified answer.\

You might be interested in
24 is 0.6% of what number
algol [13]
Hello! The answer would be,
38.4
Since if you do 24x0.6 you would get 14.4 which then you would add
14.4 with 24 and get 38.4
Hope I've helped and feel free to ask me questions!

Sincerely, Kaylie :)
8 0
4 years ago
Read 2 more answers
If (ax^2 + 3x + 2b) - (5x^2+bx-3c)=3x^2-9, what is the value of A + B + C?
Rina8888 [55]

Answer:

We have the equation:

(ax^2 + 3x + 2b) - (5x^2+bx-3c)=  3x^2 - 9

First, move all to the left side.

(ax^2 + 3x + 2b) - (5x^2+bx-3c) - 3x^2 + 9 = 0

Now let's group togheter terms with the same power of x.

(a - 5 - 3)*x^2 + (3 - b)*x + (2b + 3c + 9) = 0.

This must be zero for all the values of x, then the things inside each parenthesis must be zero.

1)

a - 5 - 3 = 0

a = 3 + 5 = 8.

2)

3 - b = 0

b = 3.

3)

2b + 3c + 9 = 0

2*3 + 3c + 9 = 0

3c = -6 - 9 = -15

c = -15/3 = -5

Then we have:

a = 8, b = 3, c = -5

a + b + c = 8 + 3 - 5 = 6

8 0
3 years ago
To which subset of real numbers does the number one-fifth belong?
vredina [299]
The answer is B, rational numbers :)
5 0
3 years ago
3. Use each number line to show a different way to count from $580 to $994
Amiraneli [1.4K]

What are the number lines though?

Give more info.

6 0
3 years ago
Jeremy ate 5 pieces of shrimp, Julie ate 7 pieces. What fraction of the total did Jeremy eat?
matrenka [14]

Answer:

\frac{5}{12}

Step-by-step explanation:

The total amount of shrimp that was eaten was 12 pieces of shrimp.

To make the fraction you will simply put the amount of shrimp Jeremy ate over the total number of shrimp eaten by the pair.

Therefore, the fraction would look like this:

\frac{5}{12}

The decimal form of this would be 0.4167. Which also means that Jeremy ate 41.67% of the total amount of shrimp eaten.

Hope this helps!!

4 0
2 years ago
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