Answer:
550-554
Step-by-step explanation:
550 is rounded to 550, and also rounded to 600. Same with all the other numbers. :)
10
25 - 5 = 20
20 / 2 = 10
cheese=$7
sausage=$5
let the cost of a pound cheese be x
that of sausage=x-$2
3x+3(x-2)=3x+3x-6
6x-6=36
6x=36+6
6x=42
x=7
2,3..................
