Answer:
210 adult tickets were sold
Step-by-step explanation:
let x be the number of adult tickets sold
let y be the number of children tickets sold
x+y=260 equation 1
9x+5y=2140 equation 2
multiply equation 1 by 5
multiply equation 2 by 1
5x+5y=1300
9x+5y=2140
subtract equation 1 from 2
4x=840
x=840/4
=210 tickets
substitute for x in equation 1
210+y=260
y=260-210=50
Interest = (principal)(rate as a decimal)(time in years)
I = (16,000)(0.1)(0.5)
I = $800
Answer:
209.125
Step-by-step explanation:
Since it took the 1.25 as long, you would multiply the numbers together
<em>A</em>=1/4 times the square root of
5(5+2 square root5) times apothem squared
Plug everything into the equation and you get
≈172.04774
The answer is about 172.05
ANSWER:
t=9
EXPLANATION:
-t = 9t - 90
90 = 10t
t = 9
