hearts45 hearts45
  • 03-11-2018
  • Mathematics
contestada

Help me find the answers for number problem 3 please

Help me find the answers for number problem 3 please class=

Respuesta :

Mareska95
Mareska95 Mareska95
  • 03-11-2018

x + 2y = 5 /* (-1)

3x + 2y = 9

__________

-x - 2y = -5

3x + 2y = 9

add these two equations

_______________

2x = 4

x = 4/2 = 2$ for a hotdog

2y = 5 - x = 5 - 2 = 3 => y = 3/2 = 1.5$ for a hamburger

Answer Link

Otras preguntas

Ken's Home Supply charges $5 for each foot fencing. Wayne's Warehouse charges $6 for each foot fencing
750 yards in 25 minutes
how do you write 21/7 as a whole number
Need Help please which one is used incorrectly? progenitor Noun A direct ancestor; an originator of a line of decent. A. Charles Darwin shocked many devout Vi
According to the speech, what message did the Secretary of State receive from the Japanese Ambassador just on hour after the attack on the Island of Oahu? a. Th
What is 6 divided by 6n equals 14
What is 4180 round to the nearest thousand
evaluating expressions 24-13
graph the function f(x)=(x+1)(x-2)
Enlightenment thinkers questioned traditional ideas about.? a.) government b.) medicine c.) religion d.) science