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emilymartinez75
22.03.2020 •
Mathematics
The Jenkin's family decided to go to a concert in the park for their family reunion. A total of 29 family members attended. An adult ticket cost $6.50 and a child ticket cost $5.00. The bill came to $164.50. How many children went to the concert?
A) 13
B) 694
C) 16
D) 1
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Ответ:
16 PLS GIVE ME BRAINLIEST
Step-by-step explanation:
X=ADULTS TICKET AND Y=CHILDRENS TICKET
x+y=29 because their are 29 people attending
6.50x+5y=164.5 because htats how much it coests
now bring anyy equation in y=mx+b form.
so it will be y=29-x
6.5x+5(29-x)=164.5
6.5x+145-5x=164.5
1.5x=19.5
x=13
Now plug it in any one of the equation
13+y=29
y=16
Ответ: