A painter used 20 drops of red paint and 45 drops of white paint to make a certain shade of pink. How many drops of white paint should he add to 12 drops or red paint to make the same shade?
Question 2
2.
Make a table or double number line to solve.
A painter used 20 drops of red paint and 45 drops of white paint to make a certain shade of pink. How many drops of white paint should he add to 12 drops or red paint to make the same shade?