Some paint is made by mixing 3 cans of white paint to 7 cans of green paint. How many cans of white would you mix with 21 cans of green to keep the colour the same?
Well to get to the point 21 / 7= 3 So I then would multiply the 3 by 3 which would give me 9 And just to check your answer 7 x 3 is 21 So your answer would be 9
