Asupplier sells 2 1/4 pounds of mulch for every 1 1/3 pounds of gravel. the supplier sells 173 pounds of mulch and gravel combined. how many pounds of each item does the supplier sell?

of mulch and of gravel were sold.

Step-by-step explanation:

Mass of mulch sold = x pounds

Mass of gravel sold = y pounds

Total mass of mulch and gravel sold = 173 pounds

x + y = 173 ...[1]

Supplier sells pounds of mulch for every pounds of gravel.

That is for pounds of mulch for every pounds of gravel.

Then gravel sold for 1 pound mulch =

Then for x pounds of mulch the gravel sold will be:

Mass of gravel sold =

Putting value of y in [1] :

x =

y =

of mulch and of gravel were sold.

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)