danasonggg1
danasonggg1
24-05-2017
Mathematics
contestada
#7 please! Thanks!!❤️
Respuesta :
PHDFlopper
PHDFlopper
24-05-2017
Set up a system of equations:
x=number of cars washed
y=number of trucks washed
x+y=122
3x+5y=510
Solve using elimination:
Multiply the first equation by -3:
-3x-3y=-366
3x+5y=510
Add the two equations together:
2y=144
y=72
The answer is 72 trucks
Answer Link
Аноним
Аноним
24-05-2017
72 trucks is the answer to the problem.
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
find the equation for each arithmetic sequence represented by the tables below
Is the triangles similar or no, explain
Given the following data objects (Data entities) and data elements (attributes) of a sample database. Data Object Student Class Teacher Data Element Student id
Define type 1 grammar
Which Part and Standard of the CAR's include regulations on approved maintenance organisations (AMO)? a) Part I - General Provisions b) Part V - Airworthiness c
Oregon law requires licensed contractors to maintain a list of each subcontractor on a job. For each subcontractor on the job, the list must include ________.
IS CRIMINAL MOTIVE A NECESSARY ELEMENT OF A CRIME?
When verifying design plans for a presentation, how should visuals be used? a) To be the focus of your message b) To distract the audience from the content c) T
what is 1/4 divided by 8/3
If you use too low of a viscosity oil in your engine you will get what type of oil pressure reading?
