Mary mixes white paint and blue paint in the ratio of 2: 3 she makes 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?

The 2:3 ratio has 2+3 = 5 ratio untis. If that total represent 20 litres of paint, then each ratio unit stands for 4 litres of paint. That is, the mixture has

Mary wants to make the mixture have the ratio 1:7, so the number of litres of paint will be ...

... 1 white : 7 blue = 8 litres of white : 56 litres of blue

That is, the number of litres of blue paint must increase from 12 to 56, an increase of ...

... 44 litres of blue paint

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer

answer is 144

step-by-step explanation: