MATHEMATICS HIGH SCHOOL

What percent of 50 is 15?
A. 4%
B. 25%
C. 30%
D. 15%

Answers

Answer 1
Answer:

Answer:

Option C 30%

Step-by-step explanation:

let x%of 50 is 15

X/100×50=15

50x/100=15

X/2=15

X=30

So option C. (30%) is correct
Answer 2
Answer:

30% is the answer........

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Mrs. Ramiriz is making pies to sell at the local farmer’s market. It costs her $5 to make each pie, plus a one-time cost of $30 for baking supplies. She plans to sell the pies for $12 each. Which equation can be used to find the number of pies she needs to sell to break even?a.5x – 12x = 30
b.5x + 12x = 30
c.5x + 30 = 12x
d.12x + 30 = 5x

Answers

To answer the problem above, we must first define the word break even. Break even means there is no gain or loss, the difference between the capital amount and the sale amount is zero. In equation, let x be the number of pies. 5x + 30 = 12x, $5 times the number of pies plus $30 is equal to $12 times the number of pies sold. The answer is letter C.

Answer:

c.5x + 30 = 12x

Step-by-step explanation:

Given :Mrs. Ramiriz is making pies to sell at the local farmer’s market. It costs her $5 to make each pie, plus a one-time cost of $30 for baking supplies. She plans to sell the pies for $12 each.

To Find: Which equation can be used to find the number of pies she needs to sell to break even?

Solution:

Let no. of pies be x

It cost her $5 to make each pie

so, cost of making x pies = 5x

Since there is a one-time cost of $30 for baking supplies.

So, total cost for her is 5x+30

If she sells each pie for $12

Then cost of pies = 12x

Now equation can be used to find the number of pies she needs to sell to break even:

5x+30=12x

4x + 5y = 19 , 5y - 4x = 38​

Answers

Answer:

Step-by-step explanation:

Adding both equations

4x+5y+5y-4x=19+38

10y = 57

y= 5.7

Subtracting equation i from ii

5y-4x-4x-5y=38-19

-8x=9

x= -0.9

Jenny has $200.00 in her savings account. The account earns interest at the rate of 3% each year.How much money will Jenny have in her account after one year?

Answers

200*1.03=206
She will have 206$ after one year.

Can em waves travel through a perfect vacuum?

Answers

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19x+(1/2)ax=x+9 solve for x

Answers

   19x + ¹/₂ax = x + 9
     - x             - x
    18x + ¹/₂ax = 9
x(18) + x(¹/₂a) = 9
    x(18 + ¹/₂a) = 9
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Briyana has $150, and she needs to save at least $560 for a spring break trip. If she can save $45 per week, how long will it take her to save enough money? Let w = weeks saving money. Write an inequality to describe the situation.

45w + 150< 560

45w + 150> 560

150w + 45< 560

150w + 45 > 560

Answers

Answer: The answer is (B)

45w + 150> 560.

Step-by-step explanation: Given that 'w' represents the number of weeks s

Briyana saves money.

Since she can save $45 per week, so the amount of money she can save in 'w' weeks is $45w.

Also, she has $150 already with her, so the total amount of money saved is given by (45w + 150).

Now, since she needs to save at least $560, so we must have

45w + 150 > 560.

Thus, (B) is the correct option.

Answer:

b

Step-by-step explanation:
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