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mihalych1998 [28]
2 years ago
11

PLEASE HELP

Mathematics
1 answer:
Alla [95]2 years ago
7 0

Answer:

150

Step-by-step explanation:

Let there are 'x' girls. According to the given chart, 30% of the total girls participitated in basketball. As well as, we are provided with the statement '45 girls participated in basketball'

=> 30% of x = 45

=> 30/100 × x = 45

=> x = 45 x 100/30

=> x = 150

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erastovalidia [21]

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4 0
2 years ago
This is 22 points
AURORKA [14]
Let the initial number of girls be x, this represents 40% of the dancers.
Total number of dancers will therefore be:
100/40*x=2.5x
When 15 more girls joined, the new number of girls was:
x+15 this represents the total percentage of 52%. The new number of dancers became:
2.5x+15:
therefore the new percentage of girls can be expressed as follows:
(new number of girls)/(new number of dancers)×100
(x+15)/(2.5x+15)×100=52
(x+15)/(2.5x+15)=0.52
x+15=0.52(2.5x+15)
x+15=1.3x+7.8
15-7.8=1.3x-x
7.2=0.3x
x=7.2/0.3=24
The number of students after additional number of girls will be:
2.5x+15
=2.5×24+15
=60+15
=75 students

4 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (-6, -2) and has a<br> slope of 1/6?
dalvyx [7]

Answer:

y=1/6x-1

Step-by-step explanation:

y+2=1/6(x+6)

y+2=1/6x+1

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