Katie is making posters for the school play. She borrows a 12-pint set of paint from the art teacher. To make her posters really sparkle, she also brings 4 cups of glitter paint from home. How many pints of paint does she have in all?

2425

step-by-step explanation:

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce

system of linear equation

step-by-step explanation:

as given in the data

a= 20 , b= -12

let us suppose that it is a straight line equation

now we know the formula for the system of linear equation

b= ma + c )

here m is slope of a straight line which is equal to formula

m=   (ii)

and here c is a constant

now putting the value of a and b in equation (ii)

m=

m=

putting the value of a,b and m in equation (i) gives us

-12 = + c

-12=-12 + c

adding 12 to both sides

-12 +12 = -12 +12 +c

0 =c

or c=0

as the value of the constant is zero which gives us that it is a linear equation and this order pair satisfies the system of linear equations.