Mary mixes white paint and blue paint in the ratio 2:3. She makes a total of 20 litres of paint. How much more blue paint does she need to add to the mixture so that the ratio of white paint to blue paint becomes 1 : 7?

7 i believe, if not then sorry. bad calculations.

Step-by-step explanation:

12m

step-by-step explanation:

square root means have of a number so have of 3 is 1.5 then multiply it by 8 and you get your answer!

welll its a very hard question but ill

step-by-step explanation:

first you take the 6 dollars and add 10 to it then add the 50 to that then multiply by 8 with xy and your answer will be

hope this