Amixture of 50 liters of paint is 25% red tint, 30% yellow tint and 45% water. 7 liters of yellow tint is added to the original mixture. what percent of yellow tint is in the new mixture? answer must be correct to 1 decimal place.

38.5%

Step-by-step explanation:

To solve this we must first know how many liters of each color paint is in the mixture

0.25*50 = 12.5L of red paint

0.30*50 = 15L of yellow paint

0.45*50 = 22.5L of water

But then we add 7 liters of yellow paint. So the new numbers are:

12.5L red paint

22L of yellow paint

22.5L of water

Now we just the new amount of paint by the amount of mixture

Red=12.5/57

Yellow=22/57= 38.596491228

Water=22.5/57

Since we only care about 1 decimal place though, the answer would be 38.5%

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