18.56, 18.57, 18.58 or 18.59?
Add or subtract numbers from both sides
Answer:
d
Step-by-step explanation:
because it says in your thing up above to exchange but there is a 50% im wrong
X=-3
because
-4x=21-9
-4x= 12 divide both sides
x=-3
Answer:
1 ornament per 3 hours
in 15 hours she will have 7.5 of them done