Mariam786
Mariam786 Mariam786
  • 04-01-2018
  • Mathematics
contestada

a miniature railway increased its prices by 25% to £1.50 how much did it cost to visit the railway before

Respuesta :

family15
family15 family15
  • 04-01-2018
the answer is 112.5

type 150 divide by 100 times 25
minus that from 150
and it gives you the answer
Answer Link
obenam obenam
  • 05-01-2018
Let x be the previous price. 
So, the equation is the following: [tex]x+0.25x=1.5[/tex]
Solve the above equation for x like this:
[tex]x(1+0.25)=1.5\\x1.25=1.5\\x=\frac{1.5}{1.25}=1.2[/tex]

The price before was £1.2
Answer Link

Otras preguntas

(10y^3+20y^2+55y)/5y
find an equivalent expression without parentheses -(50x-15y+15)=
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
how is mass transit in cities a possible solution tk urban air pollution?
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
what is the answer for (20,8),(9,16) ?
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?