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3 years ago

Thirty percent of what number is 63.

2 answers:

n200080 [17]3 years ago

5 0

The answer would be 210 because when you are trying to find the bigger number of the 2 you divide the smaller by the percentage in decimal form.

63/.30=210

Therefore the answer is 210

Lyrx [107]3 years ago

4 0

Answer:

210

Step-by-step explanation:

You first have 30% * x = 63

Then, you multiply both sides by 100 and divide both sides by 30:

x = 63 * $\frac{100}{30}$

Then, you have your answer:

x = 210

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Paraphin [41]

Answer:

C.) 7√2/2

Step-by-step explanation:

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3 years ago

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Sergio [31]

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3 years ago

I need help on Part B and C on question 2

kap26 [50]

Answer:

The answer to your question is

Part A. Archimedes grades 6 1/4 tests per day

Part B. 8 19/32 days

Part C. 6 26/29 days

Step-by-step explanation:

Part A

Total time = 6 2/5 days

Number of tests = 40 tests

Process

1.- Convert the mixed fraction to improper fraction

6 2/5 = (30 + 2) / 5 = 32/5

2.- Divide 40 by 32/5

40/1 / 32/5 = (40 x 5) / (32 x 1)

= 200 / 32

Simplify

100 / 16 = 50/8 = 25/4

3.- Convert 25/4 to mixed fractions

4 25

25/4 = 6 1/4

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Part B

15 more tests

Total time = 32/5

Total tests = 40 + 15 = 55

Process

1.- Divide 55 by 32/5

55 / 1 / 32 /5 = (55 x 5) / (32 x 1)

= 275 / 32

2.- Convert 275/32 to a mixed fraction

32 275

256

Result 8 19/32 days

Part C

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50 / 7.25 = 5000 / 725

725 5000

- 4350

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3 0

3 years ago

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bezimeni [28]

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4 0

4 years ago

Pat is required to sell candy bars to raise money for the 6th grade field trip. There is a 40% chance of him selling a candy bar

labwork [276]

Answer:

It will take him about 13 houses to sell the 5 candy bars.

Pat has an 18% chance of selling his last candy in the 11th house.

Step-by-step explanation:

Since Pat is required to sell candy bars to raise money for the 6th grade field trip, and there is a 40% chance of him selling a candy bar at each house, and he has to sell 5 candy bars in all, to determine the number of houses it takes and determine the probability he sells his last candy bar at the 11th house, the following calculations must be performed:

5 / 0.40 = X

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So, it will take him about 13 houses to sell the 5 candy bars.

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0.45 = X

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Thus, Pat has an 18% chance of selling his last candy in the 11th house.

4 0

3 years ago