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19-10-2021
Mathematics

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The ratio of the number of students at a spring concert to the number of adults is 7:3. There are a total of 450 people at the concert. many students are at the concert? How many adults are at the concert?

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kemalabbas79 kemalabbas79

19-10-2021

Answer:

students=315 adults=135

Step-by-step explanation:

3s=7a

s+a=450

s=450-a

3(450-a)=7a

1350-3a=7a

1350=7a+3a

1350=10a

a is 135

a is adult

s=450-a

s=450-135

s=315

branlist please

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