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3 years ago

20% of the children in a sports club play tennis.

Mathematics

2 answers:

padilas [110]3 years ago

8 0

Answer:

160 children

Step-by-step explanation:

We can get this solution by working backwards in the equation.

First, we can treat the total number of strudents who play tennis as 't'. Giving us the equation: 8 = .25(t) . Solving this we get that there are 32 tennis players.

Next, we have to derive the total number of children in the sports club. Setting up 'x' as the total number of children, I get the equation 32 = .2(x) . Which leads us to the solution of 160 children in the sports club.

Alex3 years ago

4 0

Answer:

160 children

Step-by-step explanation:

We can get this solution by working backwards in the equation.

First, we can treat the total number of students who play tennis as 't'. Giving us the equation: 8 = .25(t) . Solving this we get that there are 32 tennis players.

Next, we have to derive the total number of children in the sports club. Setting up 'x' as the total number of children, I get the equation 32 = .2(x) . Which leads us to the solution of 160 children in the sports club.

Step-by-step explanation:

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16. 70° because angle PSQ is 60° and angle QSR is 10°. So 60°+10°=70°.

17. 55° because it says it in the explanation. I assume this is a typo and they meant to ask the measurement of ADC and in that case it would be 130° because angle ADB is 75° and angle BDC is 55°. 75°+55°=130°.

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3 years ago

of the 30 girls who tried out lacrosse team at Euclid Middle school, 12 were selected. Of the boys who tried out, 16 were select

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Ratio of the number of students on the team to the number of students trying out for girls is given by
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Ratio of the number of students on the team to the number of students trying out for boys is given by
$\frac{16}{40} = \frac{2}{5}$

Since both ratios, simplify to $\frac{2}{5}$ , thus <span>the ratios of the number of students on the team to the number of students trying out is the same for both boys and girls</span>.

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Step-by-step explanation:

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