On a certain hot summer's day, 346 people used the public swimming pool. The daily prices are $1.75 for children and $2.00 for a
dults. The
receipts for admission totaled $640.00. How many children and how many adults swam at the public pool that day?
1 answer:
208 children and 138 adults
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<h3><u>
Answer:</u></h3>
=11n+18
<h3><u>
Step-by-step explanation:</u></h3>
3n+13+5+8n
<h3>
<u>Combine Like Terms:</u></h3>
=3n+13+5+8n
=(3n+8n)+(13+5)
=11n+18
Answer:
38%
Step-by-step explanation:
Original price = $ 80
Price after reduction = $ 49.60
Reduction = 80 - 49.60 = $30.40
Percentage of decrease = 
= 38%
Answer:
(x - 5) (x + 1)
Step-by-step explanation:
x² - 4x - 5
= x² + x - 5x - 5
= x(x + 1) - 5(x + 1)
= (x - 5) (x + 1)
Answer:
Step-by-step explanation:
3x^2 + 5x + 25 when x = 3
= 3(3)^2 + 5(3) + 25
= 3(9) + 15 + 25
= 27 +15 + 25
= 67
Answer:
D) 50ft
Step-by-step explanation:
(18×x) + (32×18) + [(48-18-18)×(32-11)]
= 1728
18x + 576 + (12×21) = 1728
18x = 1728 - 828
18x = 900
x = 50
