Ineedbettergradesplz Ineedbettergradesplz
  • 03-05-2022
  • Mathematics
contestada


Solve the equations x + y = 300 and 12x + 15y
4,140

Respuesta :

belleza49
belleza49 belleza49
  • 03-05-2022

Answer:

x=120

y=180

Step-by-step explanation:

x=300-y

12x+15y=4140

12(300-y)+15=4140

y=180

substitute

x=300-180

x=120

Answer Link

Otras preguntas

what types of units are used to describe area?
The last of Wilson's Fourteen Points called for
The last of Wilson's Fourteen Points called for
An animal with a coelom, jointed appendages, and metameric segmentation would be classified in the phylum (A) Mollusca (B) Cnidaria (C) Platyhelminthes (D)
The last of Wilson's Fourteen Points called for
how do you simplify fractoins
when did fair trade start
8k-1=15 ? Help I have a question were we have to work this out what do I do?
Indicate true or false as to whether the following equation is quadratic 2x-4x+1=0
colby wants to set sqaure tiles on the top of a box the top of the box is a rectangle 71/2 inches long and 51/2 inches wide how many 1/2 inch tiles would he nee