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Bumek [7]
3 years ago
10

3.5 as a fraction(simplest form) WITH STEPS

Mathematics
1 answer:
maria [59]3 years ago
5 0
First remove the decimal, so multiply and divide 3.5 by 10
(3.5x10)/10
That can be further reduced to 7/2, since both numerator and denominator are dismissible by 5.

(3.5x10)/10
/5 /5
35/5=7
10/5=2

7/2 is the answer
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In a group of 15 children the ratio of the boy : the girl is 2: 3: 5 more girls join the group. Calculate the percentage of boys
marta [7]

Answer:

Percentage of new group boys = 30%

Percentage decrease for the boys = 10%

Increase percent of the girls = 10%

Step-by-step explanation:

Given:

Number of children = 15

Ratio (Boys to Girls) = 2 : 3

Number of more girls join = 5

Find:

Percentage of boys in new group

Percentage decrease for the boys

Increase percent of the girls

Computation:

Number of boys = 15[2/5]

Number of boys = 6

Number of girls = 15[3/5]

Number of girls = 9

Percentage of boys = [6 / 15]100

Percentage of boys = 40%

Percentage of girls = [9 / 15]100

Percentage of girls = 60%

New number of students = 15 + 5

New number of students = 20

New number of boys = 6

New number of girls = 9 + 5 = 14

Percentage of new group boys = [6 / 20]100

Percentage of new group boys = 30%

Percentage of new group girls = [14 / 20]100

Percentage of new group girls = 70%

Percentage decrease for the boys = 40% - 30%

Percentage decrease for the boys = 10%

Increase percent of the girls = 70% - 60%

Increase percent of the girls = 10%

8 0
3 years ago
What is the answer to 2 3/4 ÷ 1 5/8
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Darya [45]

Answer: 32x^1/2y^2

Step-by-step explanation:

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Then divide 64 by 2

32x1/2y^2

8 0
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Answer:

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Answer:

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6 0
3 years ago
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