John accidentally added too much water to his syrup, and now he has 10 ounces of 20% syrup. How much water should be evaporated to turn it into 50% syrup?

Respuesta :

Answer:

6 oz

Step-by-step explanation:

if 10 oz = 20%

1oz = 5%

50%-20%=30%

30/5=6

6oz

The amount of water that must be evaporated to make a 50% solution is 6 ounces.

What is an Equation?

A statement that represents the equality of two algebraic expressions is called an equation.

The syrup John has is 10 ounces of 20%

The syrup he wants is 50%

Let x amount of water is evaporated, then the total amount of syrup should be 50% of the final solution.

(50/100) * (10 -x) = 2

10- x = 4

x = 6

Therefore, the amount of water evaporated is 6 ounces.

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