viruz viruz
  • 23-08-2014
  • Mathematics
contestada

Please help I don't know what to do for number 40

Please help I dont know what to do for number 40 class=

Respuesta :

konrad509
konrad509 konrad509
  • 23-08-2014
x - tickets for adults
y - for students

[tex]6x+4.5y=1155\\ x+y=240\\\\ 6x+4.5y=1155\\ -4.5x-4.5y=-1080\\ ----------\\ 1.5x=75\\ x=50\\\\ 50+y=240\\ y=190[/tex]
Answer Link

Otras preguntas

Which of the following statements is true? a)During active transport, a material may be moved from an area of low concentration to an area of high concentration
What is a frequent consequence of social stratification? A. Wealth B. Inequality C. Employment D. Religion
What is the process by which children learn what is right and wrong in their society? A. Consultation B. Socialization C. Assimilation D. Imitation
describe the climate, landforms,and existing plant and animal life during the cretaceous period
Boron occurs naturally as two isotopes. What is the difference between these isotopes?
Which explains why roman were upset by the emperors decision to create more coin?
I don't know how to work out the equation below 3(x+4)=27 Can someone show me how it's done please
which of the following was key reasons reasons for Coolidge's victory in the 1924 presidential election. A) there was a split between democratic party supporter
mo's farm stand sold a total of 165 pounds of apples and peaches. She sold apples for $1.75 per pound and peaches for $2.50 per pound. If she made $337.50, howa
Why do you think reformers at the municipal and state levels began by passing voting reforms and tackling corruption?