Answer
Let x be the number of tickets sold to adults and y the number sold to students:
x + y = 315. But we know that y was double x, then :
y = 2x
Plug the value of y (in the 1st equation) by 2x:
x+ 2x = 315
3x = 315
and x = 105 (which is the number of tickets sold to adults
Answer:
12 inches
Step-by-step explanation:
Set up an equation:
Variable x = height of the scale model
3/18 = x/72
Cross multiply:
3 × 72 = 18 × x
216 = 18x
Divide both sides by 18:
12
$32,900
Multiple their current earnings, multiply it by 0.7 (70%), and the result is $32,9000
Answer:
Just do 27x2 bro simple as that
Step-by-step explanation:
Answer:
10.7cm
Step-by-step explanation:
x^2= 115
x = √115
x = 10.7
