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Anna71 [15]
3 years ago
14

If 3 cups of rice serves 5 people, how many cups do you need to serve 13 people

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0
First let's find out how many cups serve one person.

3 ÷ 5 = 1.6

1.6 of a cup serves one person.

1.6 × 13 = 20.8

It takes 20.8 (21 rounded) to serve 13 people.
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How many soultions does 5(x-3)+6=5x-9
olya-2409 [2.1K]

5(x - 3) + 6 = 5x - 9 has no solution

<em><u>Solution:</u></em>

We have to find the number of solutions for the given equation

Given equation is:

5(x - 3) + 6 = 5x - 9

Multiply the terms inside with bracket with constant outside the bracket

5x - 15 + 6 = 5x - 9

Add the constants in left hand side of equation

5x - 9 = 5x - 9

If the coefficients are the same on both sides, then the sides will not equal, therefore no solutions will occur.

Here, 5x - 9 = 5x - 9

The coefficients are same in both sides of equation

Therefore, the equation has no solution

5 0
3 years ago
Help would be appreciated!
charle [14.2K]
C)
10hrs will get around 105 salaries
90hrs get 840+105=945
95 hours get 945+(105/2)=997.5
100 hours get 945+105=1050
6 0
3 years ago
There are 1800 gym members in total, 3/4 are aged 25-59, 1/5 are over 60 and the remainder are under 25, how many members are un
siniylev [52]
If x is the number of members under 25, then we have

1800=\dfrac34\cdot1800+\dfrac15\cdot1800+x\implies x=90
8 0
3 years ago
Helppp please I’ll give the crown thing to the first person
azamat

Answer:

1/3 cup of almond milk remains.

Step-by-step explanation:

If the chef made 7 batches with 2/3 cup of almond milk in each batch, that would be 7 times 2/3, which equals 14/3 or 4 and 2/3 when simplified. 5 - 4 and 2/3 = 1/3.

5 0
3 years ago
Read 2 more answers
Can anyone tell me the formula for finding the surface area of a triangular prism?
BARSIC [14]

Answer:

bh

Step-by-step explanation:

  1. multiply the base times height for the area of the triangles (bh)
  2. add the three sides of the triangle (s1 + s2 + s3).
  3. multiply the sum of the triangle sides by the height of the prism (H)
  4. add the values together for the answer
  5. make sure to include the appropriate unit of measurement (ft, in, cm, m, mm, etc.)
8 0
3 years ago
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