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postnew [5]
3 years ago
9

 On a certain hot​ summer's day, 347 people used the public swimming pool. The daily prices are $ 1.75 for children and $ 2.50 f

or adults. The receipts for admission totaled $ 743.75. How many children and how many adults swam at the public pool that​ day?
Mathematics
1 answer:
kykrilka [37]3 years ago
8 0

Number of Children = 165

Number of Adults = 182

Step-by-step explanation:

Let x be the number of children and y be the number of adults

Then according to given statements

x+y=347\ \ \ \ \ Eqn\ 1\\and\\1.75x+2.50y=743.75\ \ \ \ Eqn 2\\From 1:\\x=347-y\\Putting\ this\ in\ equation\ 2\\1.75(347-y)+2.50y=743.75\\607.25-1.75y+2.50y=743.75\\0.75y+607.25=743.75\\0.75y=743.75-607.2\\0.75y=136.5\\

y=\frac{136.5}{0.75}\\y=182\\Putting\ y=182\ in\ eqn\ 1\\x+182=347\\x=347-182\\x=165

Number of Children = 165

Number of Adults = 182

Keywords: Linear Equations, System of Equations

Learn more about linear equations at:

  • brainly.com/question/10470406
  • brainly.com/question/10597501

#LearnwithBrainly

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