Answer:
it is called a decimal system
Step-by-step explanation:
.
N=199 because in order to get a a smaller negative you would have to add a positive into a negative
X=cost of one box of popcorn.
we can suggest this equation:
3x+1.75=9.25
3x=9.25-1.75
3x=7.5
x=7.5/3
x=2.5
Answer: the equation to find the cost of one box of popcorn is 3x+1.75=9.25, and the cost of one box of popcorn is $2.5.
Answer:
C - He substituted incorrectly when calculating the constant of variation.
