mayajackson2021
mayajackson2021 mayajackson2021
  • 02-09-2019
  • Mathematics
contestada

Two shirts and one tie costs $42, but one shirt and two ties cost $39. What does one shirt cost?

Respuesta :

isabellaaaa51
isabellaaaa51 isabellaaaa51
  • 02-09-2019
let s = shirts
let t = ties
2s + t = 42
s + 2t = 39
s = 15
t = 12
one shirt equals $15
Answer Link

Otras preguntas

How do I write 4.76325 as a fraction?
Describe the differences between a prokaryotic and a eukaryotic cell, and identify their parts.
why do the two elements silver and iron have different properties?
why is water so important in metabolism
Give a counter example to this statement. The quotient of two fractions between 0 and 1 is always a whole number.
find the derivative of ((t^4-6)^3)*((t^3+6)^4)
Susan invests twice as much money at 7.5% as she does at 6%. If her total interest after a year is $840 how much does she have invested at each rate?
What builds proteins in a cell?
briefly describe the five stages of the cell cycle
How is the graph of y=-8x^2-2 diffrent from the graph of y=-8x^2