A total of 330 children and adults attended a school play. There were 21 times as many children in attendance as there were adul

Question

3 years ago

8

A total of 330 children and adults attended a school play. There were 21 times as many children in attendance as there were adul

ts.
This situation is modeled by the given system of equations, where a represents the number of adults and c represents the number of children.

c = 21a

a + c = 330

How many children attended the play?

Mathematics

2 answers:

Pani-rosa [81] · Answer 1 · 2022-01-30T05:06:36+03:00

Pani-rosa [81]3 years ago

6 0

Answer:

15

Step-by-step explanation:

vovangra [49] · Answer 2 · 2022-01-30T07:00:09+03:00

vovangra [49]3 years ago

5 0

Answer:

315 children

Step-by-step explanation:

a + 21a = 330 {substituted 21a, in for c, into second equation}

22a = 330 {combined like terms}

a = 15 {divided each side by 22}

15 adults attended

c = 21a {first original equation}

c = 21(15) {substituted 15,