kristelannefabp4hgp4 kristelannefabp4hgp4

21-02-2018
Mathematics

contestada

it cost $35 for one adult and two children to attend a show. It cost $60 for two adults and three children to attend the same show. How much does it cost one adult to attend the show?

Respuesta :

aimanadlinp4fyje aimanadlinp4fyje

21-02-2018

assume that,
adult = x
child = y

x+2y = 35 (1st equation)
2x+3y = 60 (2nd equation)
x = 35-2y (3rd equation)

Substitute 3 into 2 :

2(35-2y) + 3y =60
70-4y +3y = 60
y = 10

x+2y = 35
x+2(10) =35
x +20 =35
x = 15

One adult = $15

Answer Link

Otras preguntas

“loss is nothing else but change is natures delight."marcus aurelis “if u miss seven balls out of ten,youre batting three hundred,and that's good enough for the

War between Austria and Prussia over two smaller German states?

one hundred officials need to be painted. the workers choose between yellow,blue or beige paint. they decide that 45% of the offices will be painted yellow; 28%

Jack is 1.75 m tall and casts a shadow 2.25 m long. At the same time, a statue casts a shadow 9 m long. What is the height of the statue? a. 4 m b. 7 m c.5.75 m

The length of one side of a square is 13 feet. what is the length to the nearest foot of s diagonal the square

What is 24.4% as a fraction?

What did Loyalists believe about Patriots?

450 is 75% of what number

Francis Bacon was an early proponent of the scientific method and promoted the Baconian Method, a methodology for scientific inquiry. It states the spiritual wo

What rule represents this function? (0,0),(1,1),(2,8),(3,27),(4,64)