Chocolateisgr8 Chocolateisgr8
  • 14-12-2016
  • Mathematics
contestada

help with number 16 please ???

help with number 16 please class=

Respuesta :

Apocrophon
Apocrophon Apocrophon
  • 14-12-2016
So a is the number of adult tickets and s is the number of student tickets

a+s=180
$4a + $2.5s = $645

a+s=180
a=180-s

4a+2.5s=645
4(180-s)+2.5s=645
720-4s+2.5s=645
720-1.5s=645
75-1.5s=0
1.5s=75

s=50

a+s=180
a+50=180

a=130
Answer Link

Otras preguntas

10. Why is the Yangzi River important to China's economy?
What life changing events happened to bud?
Write two equivalent equations for the equation 3f+2m=16.
What is another name for the arrow on a number line?
Think back on what we have learned about gravity, mass, and weight. We are going to take 5 minutes to write a 5-6 sentence reflection on what you learned during
Please help me in this Im failing.​
1. Classify the triangle shown to the right. A. Right, Scalene B. Acute, Isosceles 97 C. Obtuse, Scalene 13° 70 D. Equiangular, Equilateral
Anyone good at music and reading notes? If you are can you help me?
Calculate the molar mass of menthol, C10H20O
Why does the small intestine cell reproduce so often?