Answer:
8
Step-by-step explanation:
all numbers must be positive when you have the lines on the side
90 dimes = $9 because 10 dimes = $1
Answer:
x = 3
Step-by-step explanation:

56 is not equal to 30
Answer:
3.50x= t
Step-by-step explanation:
x square feet of teh floor
t= total cost