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san4es73 [151]
3 years ago
13

There are 32 students in a class. Out of which 20 are boys. Find the fraction of boys and girls in the simplest form.

Mathematics
1 answer:
Oxana [17]3 years ago
7 0

Answer:

1) \huge\boxed{\sf \frac{5}{8}}

2) \huge\boxed{\sf \frac{3}{8} }

Step-by-step explanation:

Total Students = 32

Boys = 20

Girls = 32 - 20 = 12

<u>Fraction of boys:</u>

= 20 / 32

= 10 / 16

= 5 / 8

<u>Fraction of Girls:</u>

= 12 / 32

= 6 / 16

= 3 / 8

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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sattari [20]
16 + 4x = 10 + 14

16 + 4x = 24.

4x = 24 - 16

4x = 8

x = 8 ÷ 4

x = 2

8x = 2 × 8

8x = 16

Final answer = 16.
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3 years ago
Monica’s school band held a car wash to raise money for a trip to a parade in New York City. After washing 125 cars, they made $
nikklg [1K]

The system of linear equations represents the situation is;

x + y = 125

x + y = 1255x + 8y = 775

<h3>Simultaneous equation</h3>

Simultaneous equation is an equation in two unknown values are being solved for at the same time.

let

  • number of quick washes = x
  • number of premium washes = y

x + y = 125

5x + 8y = 775

From equation (1)

x = 125 - y

5x + 8y = 775

5(125 - y) + 8y = 775

625 - 5y + 8y = 775

- 5y + 8y = 775 - 625

3y = 150

y = 150/3

y = 50

  • Substitute y = 50 into

x + y = 125

x + 50 = 125

x = 125 - 50

x = 75

Therefore, the number of quick washes and premium washes Monica’s school band had is 75 and 50 respectively.

Learn more about simultaneous equation:

brainly.com/question/16863577

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3 0
2 years ago
William buys a basket of pomegranates on sale for $10 before tax. The sales tax is 17% What is the total price William pays for
Valentin [98]
$11.7 is the total price.
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6 0
3 years ago
Sarah sold a total of 178 t shirts and posters at a festival. She sold 46 more tshirts than poster. How many posters did she sel
ycow [4]

Sarah sold 66 posters

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

Let "a" be the number of shirts sold

Let "b" be the number of posters sold

<em><u>Sarah sold a total of 178 t shirts and posters at a festival</u></em>

Therefore,

number of shirts sold + number of posters sold = 178

a + b = 178 ----------- eqn 1

<em><u>She sold 46 more tshirts than poster</u></em>

Number of shirts sold = 46 + number of posters sold

a = 46 + b --------- eqn 2

<em><u>Substitute eqn 2 in eqn 1</u></em>

46 + b + b = 178

2b = 178 - 46

2b = 132

b = 66

Thus she sold 66 posters

7 0
3 years ago
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